osd_initiator.c revision 5d0961fd1f25e117f907f3af3aaa870637049252
102941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh/* 202941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * osd_initiator - Main body of the osd initiator library. 302941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * 402941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * Note: The file does not contain the advanced security functionality which 502941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * is only needed by the security_manager's initiators. 602941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * 702941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * Copyright (C) 2008 Panasas Inc. All rights reserved. 802941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * 902941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * Authors: 1002941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * Boaz Harrosh <bharrosh@panasas.com> 1102941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * Benny Halevy <bhalevy@panasas.com> 1202941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * 1302941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * This program is free software; you can redistribute it and/or modify 1402941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * it under the terms of the GNU General Public License version 2 1502941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * 1602941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * Redistribution and use in source and binary forms, with or without 1702941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * modification, are permitted provided that the following conditions 1802941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * are met: 1902941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * 2002941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * 1. Redistributions of source code must retain the above copyright 2102941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * notice, this list of conditions and the following disclaimer. 2202941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * 2. Redistributions in binary form must reproduce the above copyright 2302941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * notice, this list of conditions and the following disclaimer in the 2402941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * documentation and/or other materials provided with the distribution. 2502941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * 3. Neither the name of the Panasas company nor the names of its 2602941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * contributors may be used to endorse or promote products derived 2702941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * from this software without specific prior written permission. 2802941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * 2902941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED 3002941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 3102941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 3202941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 3302941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 3402941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 3502941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 3602941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 3702941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 3802941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 3902941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 4002941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh */ 4102941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 4202941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh#include <scsi/osd_initiator.h> 4302941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh#include <scsi/osd_sec.h> 441b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh#include <scsi/osd_attributes.h> 4598f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh#include <scsi/osd_sense.h> 4698f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh 4702941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh#include <scsi/scsi_device.h> 4802941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 4902941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh#include "osd_debug.h" 5002941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 514ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh#ifndef __unused 524ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh# define __unused __attribute__((unused)) 534ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh#endif 544ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 5502941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harroshenum { OSD_REQ_RETRIES = 1 }; 5602941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 5702941a530ef736210b4cf8b24dd34c238d5d5a40Boaz HarroshMODULE_AUTHOR("Boaz Harrosh <bharrosh@panasas.com>"); 5802941a530ef736210b4cf8b24dd34c238d5d5a40Boaz HarroshMODULE_DESCRIPTION("open-osd initiator library libosd.ko"); 5902941a530ef736210b4cf8b24dd34c238d5d5a40Boaz HarroshMODULE_LICENSE("GPL"); 6002941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 6102941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harroshstatic inline void build_test(void) 6202941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh{ 6302941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh /* structures were not packed */ 6402941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh BUILD_BUG_ON(sizeof(struct osd_capability) != OSD_CAP_LEN); 65c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh BUILD_BUG_ON(sizeof(struct osdv2_cdb) != OSD_TOTAL_CDB_LEN); 6602941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh BUILD_BUG_ON(sizeof(struct osdv1_cdb) != OSDv1_TOTAL_CDB_LEN); 6702941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh} 6802941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 691b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harroshstatic const char *_osd_ver_desc(struct osd_request *or) 701b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh{ 711b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh return osd_req_is_ver1(or) ? "OSD1" : "OSD2"; 721b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh} 731b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh 741b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh#define ATTR_DEF_RI(id, len) ATTR_DEF(OSD_APAGE_ROOT_INFORMATION, id, len) 751b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh 762cdd6410e5a1665823f2a048fc7f8f6a8384be1dBoaz Harroshstatic int _osd_get_print_system_info(struct osd_dev *od, 772cdd6410e5a1665823f2a048fc7f8f6a8384be1dBoaz Harrosh void *caps, struct osd_dev_info *odi) 781b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh{ 791b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh struct osd_request *or; 801b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh struct osd_attr get_attrs[] = { 811b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh ATTR_DEF_RI(OSD_ATTR_RI_VENDOR_IDENTIFICATION, 8), 821b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh ATTR_DEF_RI(OSD_ATTR_RI_PRODUCT_IDENTIFICATION, 16), 831b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh ATTR_DEF_RI(OSD_ATTR_RI_PRODUCT_MODEL, 32), 841b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh ATTR_DEF_RI(OSD_ATTR_RI_PRODUCT_REVISION_LEVEL, 4), 851b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh ATTR_DEF_RI(OSD_ATTR_RI_PRODUCT_SERIAL_NUMBER, 64 /*variable*/), 861b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh ATTR_DEF_RI(OSD_ATTR_RI_OSD_NAME, 64 /*variable*/), 871b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh ATTR_DEF_RI(OSD_ATTR_RI_TOTAL_CAPACITY, 8), 881b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh ATTR_DEF_RI(OSD_ATTR_RI_USED_CAPACITY, 8), 891b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh ATTR_DEF_RI(OSD_ATTR_RI_NUMBER_OF_PARTITIONS, 8), 901b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh ATTR_DEF_RI(OSD_ATTR_RI_CLOCK, 6), 911b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh /* IBM-OSD-SIM Has a bug with this one put it last */ 921b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh ATTR_DEF_RI(OSD_ATTR_RI_OSD_SYSTEM_ID, 20), 931b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh }; 941b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh void *iter = NULL, *pFirst; 951b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh int nelem = ARRAY_SIZE(get_attrs), a = 0; 961b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh int ret; 971b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh 981b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh or = osd_start_request(od, GFP_KERNEL); 991b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh if (!or) 1001b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh return -ENOMEM; 1011b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh 1021b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh /* get attrs */ 1031b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh osd_req_get_attributes(or, &osd_root_object); 1041b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh osd_req_add_get_attr_list(or, get_attrs, ARRAY_SIZE(get_attrs)); 1051b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh 1061b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh ret = osd_finalize_request(or, 0, caps, NULL); 1071b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh if (ret) 1081b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh goto out; 1091b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh 1101b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh ret = osd_execute_request(or); 1111b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh if (ret) { 1121b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh OSD_ERR("Failed to detect %s => %d\n", _osd_ver_desc(or), ret); 1131b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh goto out; 1141b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh } 1151b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh 1161b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh osd_req_decode_get_attr_list(or, get_attrs, &nelem, &iter); 1171b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh 1181b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh OSD_INFO("Detected %s device\n", 1191b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh _osd_ver_desc(or)); 1201b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh 1211b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh pFirst = get_attrs[a++].val_ptr; 122de6b20385b1c14f97ccdf7da173b4c9a7405083bBoaz Harrosh OSD_INFO("VENDOR_IDENTIFICATION [%s]\n", 1231b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh (char *)pFirst); 1241b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh 1251b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh pFirst = get_attrs[a++].val_ptr; 126de6b20385b1c14f97ccdf7da173b4c9a7405083bBoaz Harrosh OSD_INFO("PRODUCT_IDENTIFICATION [%s]\n", 1271b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh (char *)pFirst); 1281b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh 1291b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh pFirst = get_attrs[a++].val_ptr; 130de6b20385b1c14f97ccdf7da173b4c9a7405083bBoaz Harrosh OSD_INFO("PRODUCT_MODEL [%s]\n", 1311b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh (char *)pFirst); 1321b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh 1331b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh pFirst = get_attrs[a++].val_ptr; 134de6b20385b1c14f97ccdf7da173b4c9a7405083bBoaz Harrosh OSD_INFO("PRODUCT_REVISION_LEVEL [%u]\n", 13597218a1499391b174ea95e05b7a40fbb73e79813Boaz Harrosh pFirst ? get_unaligned_be32(pFirst) : ~0U); 1361b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh 1371b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh pFirst = get_attrs[a++].val_ptr; 138de6b20385b1c14f97ccdf7da173b4c9a7405083bBoaz Harrosh OSD_INFO("PRODUCT_SERIAL_NUMBER [%s]\n", 1391b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh (char *)pFirst); 1401b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh 1412cdd6410e5a1665823f2a048fc7f8f6a8384be1dBoaz Harrosh odi->osdname_len = get_attrs[a].len; 1422cdd6410e5a1665823f2a048fc7f8f6a8384be1dBoaz Harrosh /* Avoid NULL for memcmp optimization 0-length is good enough */ 1432cdd6410e5a1665823f2a048fc7f8f6a8384be1dBoaz Harrosh odi->osdname = kzalloc(odi->osdname_len + 1, GFP_KERNEL); 1442cdd6410e5a1665823f2a048fc7f8f6a8384be1dBoaz Harrosh if (odi->osdname_len) 1452cdd6410e5a1665823f2a048fc7f8f6a8384be1dBoaz Harrosh memcpy(odi->osdname, get_attrs[a].val_ptr, odi->osdname_len); 1462cdd6410e5a1665823f2a048fc7f8f6a8384be1dBoaz Harrosh OSD_INFO("OSD_NAME [%s]\n", odi->osdname); 1471b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh a++; 1481b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh 1491b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh pFirst = get_attrs[a++].val_ptr; 150de6b20385b1c14f97ccdf7da173b4c9a7405083bBoaz Harrosh OSD_INFO("TOTAL_CAPACITY [0x%llx]\n", 15197218a1499391b174ea95e05b7a40fbb73e79813Boaz Harrosh pFirst ? _LLU(get_unaligned_be64(pFirst)) : ~0ULL); 1521b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh 1531b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh pFirst = get_attrs[a++].val_ptr; 154de6b20385b1c14f97ccdf7da173b4c9a7405083bBoaz Harrosh OSD_INFO("USED_CAPACITY [0x%llx]\n", 15597218a1499391b174ea95e05b7a40fbb73e79813Boaz Harrosh pFirst ? _LLU(get_unaligned_be64(pFirst)) : ~0ULL); 1561b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh 1571b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh pFirst = get_attrs[a++].val_ptr; 158de6b20385b1c14f97ccdf7da173b4c9a7405083bBoaz Harrosh OSD_INFO("NUMBER_OF_PARTITIONS [%llu]\n", 15997218a1499391b174ea95e05b7a40fbb73e79813Boaz Harrosh pFirst ? _LLU(get_unaligned_be64(pFirst)) : ~0ULL); 16097218a1499391b174ea95e05b7a40fbb73e79813Boaz Harrosh 16197218a1499391b174ea95e05b7a40fbb73e79813Boaz Harrosh if (a >= nelem) 16297218a1499391b174ea95e05b7a40fbb73e79813Boaz Harrosh goto out; 1631b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh 1641b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh /* FIXME: Where are the time utilities */ 1651b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh pFirst = get_attrs[a++].val_ptr; 166de6b20385b1c14f97ccdf7da173b4c9a7405083bBoaz Harrosh OSD_INFO("CLOCK [0x%02x%02x%02x%02x%02x%02x]\n", 1671b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh ((char *)pFirst)[0], ((char *)pFirst)[1], 1681b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh ((char *)pFirst)[2], ((char *)pFirst)[3], 1691b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh ((char *)pFirst)[4], ((char *)pFirst)[5]); 1701b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh 1711b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh if (a < nelem) { /* IBM-OSD-SIM bug, Might not have it */ 1721b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh unsigned len = get_attrs[a].len; 1731b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh char sid_dump[32*4 + 2]; /* 2nibbles+space+ASCII */ 1741b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh 1751b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh hex_dump_to_buffer(get_attrs[a].val_ptr, len, 32, 1, 1761b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh sid_dump, sizeof(sid_dump), true); 177de6b20385b1c14f97ccdf7da173b4c9a7405083bBoaz Harrosh OSD_INFO("OSD_SYSTEM_ID(%d)\n" 178de6b20385b1c14f97ccdf7da173b4c9a7405083bBoaz Harrosh " [%s]\n", len, sid_dump); 1792cdd6410e5a1665823f2a048fc7f8f6a8384be1dBoaz Harrosh 1802cdd6410e5a1665823f2a048fc7f8f6a8384be1dBoaz Harrosh if (unlikely(len > sizeof(odi->systemid))) { 1812cdd6410e5a1665823f2a048fc7f8f6a8384be1dBoaz Harrosh OSD_ERR("OSD Target error: OSD_SYSTEM_ID too long(%d). " 1822cdd6410e5a1665823f2a048fc7f8f6a8384be1dBoaz Harrosh "device idetification might not work\n", len); 1832cdd6410e5a1665823f2a048fc7f8f6a8384be1dBoaz Harrosh len = sizeof(odi->systemid); 1842cdd6410e5a1665823f2a048fc7f8f6a8384be1dBoaz Harrosh } 1852cdd6410e5a1665823f2a048fc7f8f6a8384be1dBoaz Harrosh odi->systemid_len = len; 1862cdd6410e5a1665823f2a048fc7f8f6a8384be1dBoaz Harrosh memcpy(odi->systemid, get_attrs[a].val_ptr, len); 1871b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh a++; 1881b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh } 1891b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harroshout: 1901b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh osd_end_request(or); 1911b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh return ret; 1921b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh} 1931b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh 1942cdd6410e5a1665823f2a048fc7f8f6a8384be1dBoaz Harroshint osd_auto_detect_ver(struct osd_dev *od, 1952cdd6410e5a1665823f2a048fc7f8f6a8384be1dBoaz Harrosh void *caps, struct osd_dev_info *odi) 1961b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh{ 1971b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh int ret; 1981b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh 1991b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh /* Auto-detect the osd version */ 2002cdd6410e5a1665823f2a048fc7f8f6a8384be1dBoaz Harrosh ret = _osd_get_print_system_info(od, caps, odi); 2011b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh if (ret) { 2021b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh osd_dev_set_ver(od, OSD_VER1); 2031b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh OSD_DEBUG("converting to OSD1\n"); 2042cdd6410e5a1665823f2a048fc7f8f6a8384be1dBoaz Harrosh ret = _osd_get_print_system_info(od, caps, odi); 2051b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh } 2061b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh 2071b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh return ret; 2081b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh} 2091b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz HarroshEXPORT_SYMBOL(osd_auto_detect_ver); 2101b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh 21102941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harroshstatic unsigned _osd_req_cdb_len(struct osd_request *or) 21202941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh{ 213c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh return osd_req_is_ver1(or) ? OSDv1_TOTAL_CDB_LEN : OSD_TOTAL_CDB_LEN; 21402941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh} 21502941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 2164ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harroshstatic unsigned _osd_req_alist_elem_size(struct osd_request *or, unsigned len) 2174ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh{ 218c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh return osd_req_is_ver1(or) ? 219c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh osdv1_attr_list_elem_size(len) : 220c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh osdv2_attr_list_elem_size(len); 2214ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh} 2224ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 22371f32e31e5638df37904697e2d04182935add85dBoaz Harroshstatic void _osd_req_alist_elem_encode(struct osd_request *or, 22471f32e31e5638df37904697e2d04182935add85dBoaz Harrosh void *attr_last, const struct osd_attr *oa) 22571f32e31e5638df37904697e2d04182935add85dBoaz Harrosh{ 22671f32e31e5638df37904697e2d04182935add85dBoaz Harrosh if (osd_req_is_ver1(or)) { 22771f32e31e5638df37904697e2d04182935add85dBoaz Harrosh struct osdv1_attributes_list_element *attr = attr_last; 22871f32e31e5638df37904697e2d04182935add85dBoaz Harrosh 22971f32e31e5638df37904697e2d04182935add85dBoaz Harrosh attr->attr_page = cpu_to_be32(oa->attr_page); 23071f32e31e5638df37904697e2d04182935add85dBoaz Harrosh attr->attr_id = cpu_to_be32(oa->attr_id); 23171f32e31e5638df37904697e2d04182935add85dBoaz Harrosh attr->attr_bytes = cpu_to_be16(oa->len); 23271f32e31e5638df37904697e2d04182935add85dBoaz Harrosh memcpy(attr->attr_val, oa->val_ptr, oa->len); 23371f32e31e5638df37904697e2d04182935add85dBoaz Harrosh } else { 23471f32e31e5638df37904697e2d04182935add85dBoaz Harrosh struct osdv2_attributes_list_element *attr = attr_last; 23571f32e31e5638df37904697e2d04182935add85dBoaz Harrosh 23671f32e31e5638df37904697e2d04182935add85dBoaz Harrosh attr->attr_page = cpu_to_be32(oa->attr_page); 23771f32e31e5638df37904697e2d04182935add85dBoaz Harrosh attr->attr_id = cpu_to_be32(oa->attr_id); 23871f32e31e5638df37904697e2d04182935add85dBoaz Harrosh attr->attr_bytes = cpu_to_be16(oa->len); 23971f32e31e5638df37904697e2d04182935add85dBoaz Harrosh memcpy(attr->attr_val, oa->val_ptr, oa->len); 24071f32e31e5638df37904697e2d04182935add85dBoaz Harrosh } 24171f32e31e5638df37904697e2d04182935add85dBoaz Harrosh} 24271f32e31e5638df37904697e2d04182935add85dBoaz Harrosh 24371f32e31e5638df37904697e2d04182935add85dBoaz Harroshstatic int _osd_req_alist_elem_decode(struct osd_request *or, 24471f32e31e5638df37904697e2d04182935add85dBoaz Harrosh void *cur_p, struct osd_attr *oa, unsigned max_bytes) 24571f32e31e5638df37904697e2d04182935add85dBoaz Harrosh{ 24671f32e31e5638df37904697e2d04182935add85dBoaz Harrosh unsigned inc; 24771f32e31e5638df37904697e2d04182935add85dBoaz Harrosh if (osd_req_is_ver1(or)) { 24871f32e31e5638df37904697e2d04182935add85dBoaz Harrosh struct osdv1_attributes_list_element *attr = cur_p; 24971f32e31e5638df37904697e2d04182935add85dBoaz Harrosh 25071f32e31e5638df37904697e2d04182935add85dBoaz Harrosh if (max_bytes < sizeof(*attr)) 25171f32e31e5638df37904697e2d04182935add85dBoaz Harrosh return -1; 25271f32e31e5638df37904697e2d04182935add85dBoaz Harrosh 25371f32e31e5638df37904697e2d04182935add85dBoaz Harrosh oa->len = be16_to_cpu(attr->attr_bytes); 25471f32e31e5638df37904697e2d04182935add85dBoaz Harrosh inc = _osd_req_alist_elem_size(or, oa->len); 25571f32e31e5638df37904697e2d04182935add85dBoaz Harrosh if (inc > max_bytes) 25671f32e31e5638df37904697e2d04182935add85dBoaz Harrosh return -1; 25771f32e31e5638df37904697e2d04182935add85dBoaz Harrosh 25871f32e31e5638df37904697e2d04182935add85dBoaz Harrosh oa->attr_page = be32_to_cpu(attr->attr_page); 25971f32e31e5638df37904697e2d04182935add85dBoaz Harrosh oa->attr_id = be32_to_cpu(attr->attr_id); 26071f32e31e5638df37904697e2d04182935add85dBoaz Harrosh 26171f32e31e5638df37904697e2d04182935add85dBoaz Harrosh /* OSD1: On empty attributes we return a pointer to 2 bytes 26271f32e31e5638df37904697e2d04182935add85dBoaz Harrosh * of zeros. This keeps similar behaviour with OSD2. 26371f32e31e5638df37904697e2d04182935add85dBoaz Harrosh * (See below) 26471f32e31e5638df37904697e2d04182935add85dBoaz Harrosh */ 26571f32e31e5638df37904697e2d04182935add85dBoaz Harrosh oa->val_ptr = likely(oa->len) ? attr->attr_val : 26671f32e31e5638df37904697e2d04182935add85dBoaz Harrosh (u8 *)&attr->attr_bytes; 26771f32e31e5638df37904697e2d04182935add85dBoaz Harrosh } else { 26871f32e31e5638df37904697e2d04182935add85dBoaz Harrosh struct osdv2_attributes_list_element *attr = cur_p; 26971f32e31e5638df37904697e2d04182935add85dBoaz Harrosh 27071f32e31e5638df37904697e2d04182935add85dBoaz Harrosh if (max_bytes < sizeof(*attr)) 27171f32e31e5638df37904697e2d04182935add85dBoaz Harrosh return -1; 27271f32e31e5638df37904697e2d04182935add85dBoaz Harrosh 27371f32e31e5638df37904697e2d04182935add85dBoaz Harrosh oa->len = be16_to_cpu(attr->attr_bytes); 27471f32e31e5638df37904697e2d04182935add85dBoaz Harrosh inc = _osd_req_alist_elem_size(or, oa->len); 27571f32e31e5638df37904697e2d04182935add85dBoaz Harrosh if (inc > max_bytes) 27671f32e31e5638df37904697e2d04182935add85dBoaz Harrosh return -1; 27771f32e31e5638df37904697e2d04182935add85dBoaz Harrosh 27871f32e31e5638df37904697e2d04182935add85dBoaz Harrosh oa->attr_page = be32_to_cpu(attr->attr_page); 27971f32e31e5638df37904697e2d04182935add85dBoaz Harrosh oa->attr_id = be32_to_cpu(attr->attr_id); 28071f32e31e5638df37904697e2d04182935add85dBoaz Harrosh 281e9da4d7f731dafc2b93ce7b31aa09c4d935ef978Boaz Harrosh /* OSD2: For convenience, on empty attributes, we return 8 bytes 282e9da4d7f731dafc2b93ce7b31aa09c4d935ef978Boaz Harrosh * of zeros here. This keeps the same behaviour with OSD2r04, 283e9da4d7f731dafc2b93ce7b31aa09c4d935ef978Boaz Harrosh * and is nice with null terminating ASCII fields. 284e9da4d7f731dafc2b93ce7b31aa09c4d935ef978Boaz Harrosh * oa->val_ptr == NULL marks the end-of-list, or error. 285e9da4d7f731dafc2b93ce7b31aa09c4d935ef978Boaz Harrosh */ 286e9da4d7f731dafc2b93ce7b31aa09c4d935ef978Boaz Harrosh oa->val_ptr = likely(oa->len) ? attr->attr_val : attr->reserved; 28771f32e31e5638df37904697e2d04182935add85dBoaz Harrosh } 28871f32e31e5638df37904697e2d04182935add85dBoaz Harrosh return inc; 28971f32e31e5638df37904697e2d04182935add85dBoaz Harrosh} 29071f32e31e5638df37904697e2d04182935add85dBoaz Harrosh 2914ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harroshstatic unsigned _osd_req_alist_size(struct osd_request *or, void *list_head) 2924ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh{ 293c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh return osd_req_is_ver1(or) ? 294c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh osdv1_list_size(list_head) : 295c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh osdv2_list_size(list_head); 2964ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh} 2974ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 2984ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harroshstatic unsigned _osd_req_sizeof_alist_header(struct osd_request *or) 2994ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh{ 300c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh return osd_req_is_ver1(or) ? 301c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh sizeof(struct osdv1_attributes_list_header) : 302c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh sizeof(struct osdv2_attributes_list_header); 3034ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh} 3044ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 3054ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harroshstatic void _osd_req_set_alist_type(struct osd_request *or, 3064ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh void *list, int list_type) 3074ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh{ 308c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh if (osd_req_is_ver1(or)) { 309c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh struct osdv1_attributes_list_header *attr_list = list; 310c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh 311c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh memset(attr_list, 0, sizeof(*attr_list)); 312c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh attr_list->type = list_type; 313c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh } else { 314c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh struct osdv2_attributes_list_header *attr_list = list; 3154ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 316c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh memset(attr_list, 0, sizeof(*attr_list)); 317c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh attr_list->type = list_type; 318c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh } 3194ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh} 3204ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 3214ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harroshstatic bool _osd_req_is_alist_type(struct osd_request *or, 3224ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh void *list, int list_type) 3234ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh{ 3244ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh if (!list) 3254ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh return false; 3264ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 327c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh if (osd_req_is_ver1(or)) { 3284ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh struct osdv1_attributes_list_header *attr_list = list; 3294ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 3304ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh return attr_list->type == list_type; 331c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh } else { 332c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh struct osdv2_attributes_list_header *attr_list = list; 333c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh 334c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh return attr_list->type == list_type; 3354ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh } 3364ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh} 3374ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 3383e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh/* This is for List-objects not Attributes-Lists */ 3393e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harroshstatic void _osd_req_encode_olist(struct osd_request *or, 3403e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh struct osd_obj_id_list *list) 3413e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh{ 3423e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh struct osd_cdb_head *cdbh = osd_cdb_head(&or->cdb); 3433e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh 344c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh if (osd_req_is_ver1(or)) { 345c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh cdbh->v1.list_identifier = list->list_identifier; 346c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh cdbh->v1.start_address = list->continuation_id; 347c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh } else { 348c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh cdbh->v2.list_identifier = list->list_identifier; 349c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh cdbh->v2.start_address = list->continuation_id; 350c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh } 3513e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh} 3523e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh 3534ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harroshstatic osd_cdb_offset osd_req_encode_offset(struct osd_request *or, 3544ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh u64 offset, unsigned *padding) 3554ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh{ 3564ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh return __osd_encode_offset(offset, padding, 357c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh osd_req_is_ver1(or) ? 358c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh OSDv1_OFFSET_MIN_SHIFT : OSD_OFFSET_MIN_SHIFT, 359c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh OSD_OFFSET_MAX_SHIFT); 3604ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh} 3614ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 362345c435dbb0b77b00ffe73801102533e24c647afBoaz Harroshstatic struct osd_security_parameters * 363345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh_osd_req_sec_params(struct osd_request *or) 364345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh{ 365345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh struct osd_cdb *ocdb = &or->cdb; 366345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh 367c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh if (osd_req_is_ver1(or)) 368f8d3a644bec74fd55dbfb11f95af7bf98fa963dcBoaz Harrosh return (struct osd_security_parameters *)&ocdb->v1.sec_params; 369c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh else 370f8d3a644bec74fd55dbfb11f95af7bf98fa963dcBoaz Harrosh return (struct osd_security_parameters *)&ocdb->v2.sec_params; 371345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh} 372345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh 37302941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harroshvoid osd_dev_init(struct osd_dev *osdd, struct scsi_device *scsi_device) 37402941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh{ 37502941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh memset(osdd, 0, sizeof(*osdd)); 37602941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh osdd->scsi_device = scsi_device; 37702941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh osdd->def_timeout = BLK_DEFAULT_SG_TIMEOUT; 378c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh#ifdef OSD_VER1_SUPPORT 379c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh osdd->version = OSD_VER2; 380c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh#endif 38102941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh /* TODO: Allocate pools for osd_request attributes ... */ 38202941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh} 38302941a530ef736210b4cf8b24dd34c238d5d5a40Boaz HarroshEXPORT_SYMBOL(osd_dev_init); 38402941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 38502941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harroshvoid osd_dev_fini(struct osd_dev *osdd) 38602941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh{ 38702941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh /* TODO: De-allocate pools */ 38802941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 38902941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh osdd->scsi_device = NULL; 39002941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh} 39102941a530ef736210b4cf8b24dd34c238d5d5a40Boaz HarroshEXPORT_SYMBOL(osd_dev_fini); 39202941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 39302941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harroshstatic struct osd_request *_osd_request_alloc(gfp_t gfp) 39402941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh{ 39502941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh struct osd_request *or; 39602941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 39702941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh /* TODO: Use mempool with one saved request */ 39802941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh or = kzalloc(sizeof(*or), gfp); 39902941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh return or; 40002941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh} 40102941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 40202941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harroshstatic void _osd_request_free(struct osd_request *or) 40302941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh{ 40402941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh kfree(or); 40502941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh} 40602941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 40702941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harroshstruct osd_request *osd_start_request(struct osd_dev *dev, gfp_t gfp) 40802941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh{ 40902941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh struct osd_request *or; 41002941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 41102941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh or = _osd_request_alloc(gfp); 41202941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh if (!or) 41302941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh return NULL; 41402941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 41502941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh or->osd_dev = dev; 41602941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh or->alloc_flags = gfp; 41702941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh or->timeout = dev->def_timeout; 41802941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh or->retries = OSD_REQ_RETRIES; 41902941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 42002941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh return or; 42102941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh} 42202941a530ef736210b4cf8b24dd34c238d5d5a40Boaz HarroshEXPORT_SYMBOL(osd_start_request); 42302941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 4244ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harroshstatic void _osd_free_seg(struct osd_request *or __unused, 4254ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh struct _osd_req_data_segment *seg) 4264ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh{ 4274ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh if (!seg->buff || !seg->alloc_size) 4284ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh return; 4294ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 4304ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh kfree(seg->buff); 4314ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh seg->buff = NULL; 4324ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh seg->alloc_size = 0; 4334ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh} 4344ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 4355d0961fd1f25e117f907f3af3aaa870637049252Boaz Harroshstatic void _put_request(struct request *rq) 4368c0baccadc86d9f07e663dd255751dd70e461ba3Boaz Harrosh{ 4375d0961fd1f25e117f907f3af3aaa870637049252Boaz Harrosh /* 4385d0961fd1f25e117f907f3af3aaa870637049252Boaz Harrosh * If osd_finalize_request() was called but the request was not 4395d0961fd1f25e117f907f3af3aaa870637049252Boaz Harrosh * executed through the block layer, then we must release BIOs. 4405d0961fd1f25e117f907f3af3aaa870637049252Boaz Harrosh * TODO: Keep error code in or->async_error. Need to audit all 4415d0961fd1f25e117f907f3af3aaa870637049252Boaz Harrosh * code paths. 4425d0961fd1f25e117f907f3af3aaa870637049252Boaz Harrosh */ 4435d0961fd1f25e117f907f3af3aaa870637049252Boaz Harrosh if (unlikely(rq->bio)) 4445d0961fd1f25e117f907f3af3aaa870637049252Boaz Harrosh blk_end_request(rq, -ENOMEM, blk_rq_bytes(rq)); 4455d0961fd1f25e117f907f3af3aaa870637049252Boaz Harrosh else 4465d0961fd1f25e117f907f3af3aaa870637049252Boaz Harrosh blk_put_request(rq); 4478c0baccadc86d9f07e663dd255751dd70e461ba3Boaz Harrosh} 4488c0baccadc86d9f07e663dd255751dd70e461ba3Boaz Harrosh 44902941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harroshvoid osd_end_request(struct osd_request *or) 45002941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh{ 45102941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh struct request *rq = or->request; 45202941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 4534ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh _osd_free_seg(or, &or->set_attr); 4544ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh _osd_free_seg(or, &or->enc_get_attr); 4554ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh _osd_free_seg(or, &or->get_attr); 4564ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 45702941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh if (rq) { 45802941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh if (rq->next_rq) { 4595d0961fd1f25e117f907f3af3aaa870637049252Boaz Harrosh _put_request(rq->next_rq); 4608c0baccadc86d9f07e663dd255751dd70e461ba3Boaz Harrosh rq->next_rq = NULL; 46102941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh } 46202941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 4635d0961fd1f25e117f907f3af3aaa870637049252Boaz Harrosh _put_request(rq); 46402941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh } 46502941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh _osd_request_free(or); 46602941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh} 46702941a530ef736210b4cf8b24dd34c238d5d5a40Boaz HarroshEXPORT_SYMBOL(osd_end_request); 46802941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 4695d0961fd1f25e117f907f3af3aaa870637049252Boaz Harroshstatic void _set_error_resid(struct osd_request *or, struct request *req, 4705d0961fd1f25e117f907f3af3aaa870637049252Boaz Harrosh int error) 4715d0961fd1f25e117f907f3af3aaa870637049252Boaz Harrosh{ 4725d0961fd1f25e117f907f3af3aaa870637049252Boaz Harrosh or->async_error = error; 4735d0961fd1f25e117f907f3af3aaa870637049252Boaz Harrosh or->req_errors = req->errors ? : error; 4745d0961fd1f25e117f907f3af3aaa870637049252Boaz Harrosh or->sense_len = req->sense_len; 4755d0961fd1f25e117f907f3af3aaa870637049252Boaz Harrosh if (or->out.req) 4765d0961fd1f25e117f907f3af3aaa870637049252Boaz Harrosh or->out.residual = or->out.req->resid_len; 4775d0961fd1f25e117f907f3af3aaa870637049252Boaz Harrosh if (or->in.req) 4785d0961fd1f25e117f907f3af3aaa870637049252Boaz Harrosh or->in.residual = or->in.req->resid_len; 4795d0961fd1f25e117f907f3af3aaa870637049252Boaz Harrosh} 4805d0961fd1f25e117f907f3af3aaa870637049252Boaz Harrosh 48102941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harroshint osd_execute_request(struct osd_request *or) 48202941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh{ 4835d0961fd1f25e117f907f3af3aaa870637049252Boaz Harrosh int error = blk_execute_rq(or->request->q, NULL, or->request, 0); 4845d0961fd1f25e117f907f3af3aaa870637049252Boaz Harrosh 4855d0961fd1f25e117f907f3af3aaa870637049252Boaz Harrosh _set_error_resid(or, or->request, error); 4865d0961fd1f25e117f907f3af3aaa870637049252Boaz Harrosh return error; 48702941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh} 48802941a530ef736210b4cf8b24dd34c238d5d5a40Boaz HarroshEXPORT_SYMBOL(osd_execute_request); 48902941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 49002941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harroshstatic void osd_request_async_done(struct request *req, int error) 49102941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh{ 49202941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh struct osd_request *or = req->end_io_data; 49302941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 4945d0961fd1f25e117f907f3af3aaa870637049252Boaz Harrosh _set_error_resid(or, req, error); 4955d0961fd1f25e117f907f3af3aaa870637049252Boaz Harrosh if (req->next_rq) { 4965d0961fd1f25e117f907f3af3aaa870637049252Boaz Harrosh __blk_put_request(req->q, req->next_rq); 4975d0961fd1f25e117f907f3af3aaa870637049252Boaz Harrosh req->next_rq = NULL; 498aa9fffbe2c4db4557248c5c626a85bf3c7867044Boaz Harrosh } 49902941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 5005d0961fd1f25e117f907f3af3aaa870637049252Boaz Harrosh __blk_put_request(req->q, req); 5015d0961fd1f25e117f907f3af3aaa870637049252Boaz Harrosh or->request = NULL; 5025d0961fd1f25e117f907f3af3aaa870637049252Boaz Harrosh or->in.req = NULL; 5035d0961fd1f25e117f907f3af3aaa870637049252Boaz Harrosh or->out.req = NULL; 5045d0961fd1f25e117f907f3af3aaa870637049252Boaz Harrosh 50502941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh if (or->async_done) 50602941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh or->async_done(or, or->async_private); 50702941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh else 50802941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh osd_end_request(or); 50902941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh} 51002941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 51102941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harroshint osd_execute_request_async(struct osd_request *or, 51202941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh osd_req_done_fn *done, void *private) 51302941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh{ 51402941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh or->request->end_io_data = or; 51502941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh or->async_private = private; 51602941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh or->async_done = done; 51702941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 51802941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh blk_execute_rq_nowait(or->request->q, NULL, or->request, 0, 51902941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh osd_request_async_done); 52002941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh return 0; 52102941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh} 52202941a530ef736210b4cf8b24dd34c238d5d5a40Boaz HarroshEXPORT_SYMBOL(osd_execute_request_async); 52302941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 5244ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harroshu8 sg_out_pad_buffer[1 << OSDv1_OFFSET_MIN_SHIFT]; 5254ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harroshu8 sg_in_pad_buffer[1 << OSDv1_OFFSET_MIN_SHIFT]; 5264ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 5274ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harroshstatic int _osd_realloc_seg(struct osd_request *or, 5284ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh struct _osd_req_data_segment *seg, unsigned max_bytes) 5294ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh{ 5304ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh void *buff; 5314ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 5324ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh if (seg->alloc_size >= max_bytes) 5334ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh return 0; 5344ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 5354ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh buff = krealloc(seg->buff, max_bytes, or->alloc_flags); 5364ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh if (!buff) { 5374ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh OSD_ERR("Failed to Realloc %d-bytes was-%d\n", max_bytes, 5384ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh seg->alloc_size); 5394ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh return -ENOMEM; 5404ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh } 5414ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 5424ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh memset(buff + seg->alloc_size, 0, max_bytes - seg->alloc_size); 5434ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh seg->buff = buff; 5444ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh seg->alloc_size = max_bytes; 5454ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh return 0; 5464ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh} 5474ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 5484ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harroshstatic int _alloc_set_attr_list(struct osd_request *or, 5494ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh const struct osd_attr *oa, unsigned nelem, unsigned add_bytes) 5504ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh{ 5514ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh unsigned total_bytes = add_bytes; 5524ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 5534ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh for (; nelem; --nelem, ++oa) 5544ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh total_bytes += _osd_req_alist_elem_size(or, oa->len); 5554ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 5564ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh OSD_DEBUG("total_bytes=%d\n", total_bytes); 5574ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh return _osd_realloc_seg(or, &or->set_attr, total_bytes); 5584ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh} 5594ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 5604ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harroshstatic int _alloc_get_attr_desc(struct osd_request *or, unsigned max_bytes) 5614ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh{ 5624ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh OSD_DEBUG("total_bytes=%d\n", max_bytes); 5634ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh return _osd_realloc_seg(or, &or->enc_get_attr, max_bytes); 5644ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh} 5654ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 5664ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harroshstatic int _alloc_get_attr_list(struct osd_request *or) 5674ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh{ 5684ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh OSD_DEBUG("total_bytes=%d\n", or->get_attr.total_bytes); 5694ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh return _osd_realloc_seg(or, &or->get_attr, or->get_attr.total_bytes); 5704ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh} 5714ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 57202941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh/* 57302941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * Common to all OSD commands 57402941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh */ 57502941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 57602941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harroshstatic void _osdv1_req_encode_common(struct osd_request *or, 57702941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh __be16 act, const struct osd_obj_id *obj, u64 offset, u64 len) 57802941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh{ 57902941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh struct osdv1_cdb *ocdb = &or->cdb.v1; 58002941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 58102941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh /* 58202941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * For speed, the commands 58302941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * OSD_ACT_PERFORM_SCSI_COMMAND , V1 0x8F7E, V2 0x8F7C 58402941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * OSD_ACT_SCSI_TASK_MANAGEMENT , V1 0x8F7F, V2 0x8F7D 58502941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * are not supported here. Should pass zero and set after the call 58602941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh */ 58702941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh act &= cpu_to_be16(~0x0080); /* V1 action code */ 58802941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 58902941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh OSD_DEBUG("OSDv1 execute opcode 0x%x\n", be16_to_cpu(act)); 59002941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 59102941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh ocdb->h.varlen_cdb.opcode = VARIABLE_LENGTH_CMD; 59202941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh ocdb->h.varlen_cdb.additional_cdb_length = OSD_ADDITIONAL_CDB_LENGTH; 59302941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh ocdb->h.varlen_cdb.service_action = act; 59402941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 59502941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh ocdb->h.partition = cpu_to_be64(obj->partition); 59602941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh ocdb->h.object = cpu_to_be64(obj->id); 59702941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh ocdb->h.v1.length = cpu_to_be64(len); 59802941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh ocdb->h.v1.start_address = cpu_to_be64(offset); 59902941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh} 60002941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 601c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harroshstatic void _osdv2_req_encode_common(struct osd_request *or, 602c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh __be16 act, const struct osd_obj_id *obj, u64 offset, u64 len) 603c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh{ 604c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh struct osdv2_cdb *ocdb = &or->cdb.v2; 605c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh 606c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh OSD_DEBUG("OSDv2 execute opcode 0x%x\n", be16_to_cpu(act)); 607c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh 608c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh ocdb->h.varlen_cdb.opcode = VARIABLE_LENGTH_CMD; 609c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh ocdb->h.varlen_cdb.additional_cdb_length = OSD_ADDITIONAL_CDB_LENGTH; 610c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh ocdb->h.varlen_cdb.service_action = act; 611c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh 612c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh ocdb->h.partition = cpu_to_be64(obj->partition); 613c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh ocdb->h.object = cpu_to_be64(obj->id); 614c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh ocdb->h.v2.length = cpu_to_be64(len); 615c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh ocdb->h.v2.start_address = cpu_to_be64(offset); 616c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh} 617c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh 61802941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harroshstatic void _osd_req_encode_common(struct osd_request *or, 61902941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh __be16 act, const struct osd_obj_id *obj, u64 offset, u64 len) 62002941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh{ 621c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh if (osd_req_is_ver1(or)) 622c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh _osdv1_req_encode_common(or, act, obj, offset, len); 623c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh else 624c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh _osdv2_req_encode_common(or, act, obj, offset, len); 62502941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh} 62602941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 62702941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh/* 62802941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * Device commands 62902941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh */ 630ae30c994a4bb70510fdcb9e7223805bb2a8bc9eeBoaz Harrosh/*TODO: void osd_req_set_master_seed_xchg(struct osd_request *, ...); */ 631ae30c994a4bb70510fdcb9e7223805bb2a8bc9eeBoaz Harrosh/*TODO: void osd_req_set_master_key(struct osd_request *, ...); */ 632ae30c994a4bb70510fdcb9e7223805bb2a8bc9eeBoaz Harrosh 63302941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harroshvoid osd_req_format(struct osd_request *or, u64 tot_capacity) 63402941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh{ 63502941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh _osd_req_encode_common(or, OSD_ACT_FORMAT_OSD, &osd_root_object, 0, 63602941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh tot_capacity); 63702941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh} 63802941a530ef736210b4cf8b24dd34c238d5d5a40Boaz HarroshEXPORT_SYMBOL(osd_req_format); 63902941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 6403e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harroshint osd_req_list_dev_partitions(struct osd_request *or, 6413e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh osd_id initial_id, struct osd_obj_id_list *list, unsigned nelem) 6423e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh{ 6433e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh return osd_req_list_partition_objects(or, 0, initial_id, list, nelem); 6443e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh} 6453e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz HarroshEXPORT_SYMBOL(osd_req_list_dev_partitions); 6463e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh 6473e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harroshstatic void _osd_req_encode_flush(struct osd_request *or, 6483e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh enum osd_options_flush_scope_values op) 6493e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh{ 6503e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh struct osd_cdb_head *ocdb = osd_cdb_head(&or->cdb); 6513e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh 6523e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh ocdb->command_specific_options = op; 6533e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh} 6543e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh 6553e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harroshvoid osd_req_flush_obsd(struct osd_request *or, 6563e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh enum osd_options_flush_scope_values op) 6573e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh{ 6583e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh _osd_req_encode_common(or, OSD_ACT_FLUSH_OSD, &osd_root_object, 0, 0); 6593e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh _osd_req_encode_flush(or, op); 6603e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh} 6613e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz HarroshEXPORT_SYMBOL(osd_req_flush_obsd); 6623e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh 663ae30c994a4bb70510fdcb9e7223805bb2a8bc9eeBoaz Harrosh/*TODO: void osd_req_perform_scsi_command(struct osd_request *, 664ae30c994a4bb70510fdcb9e7223805bb2a8bc9eeBoaz Harrosh const u8 *cdb, ...); */ 665ae30c994a4bb70510fdcb9e7223805bb2a8bc9eeBoaz Harrosh/*TODO: void osd_req_task_management(struct osd_request *, ...); */ 666ae30c994a4bb70510fdcb9e7223805bb2a8bc9eeBoaz Harrosh 66702941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh/* 66802941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * Partition commands 66902941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh */ 67002941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harroshstatic void _osd_req_encode_partition(struct osd_request *or, 67102941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh __be16 act, osd_id partition) 67202941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh{ 67302941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh struct osd_obj_id par = { 67402941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh .partition = partition, 67502941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh .id = 0, 67602941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh }; 67702941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 67802941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh _osd_req_encode_common(or, act, &par, 0, 0); 67902941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh} 68002941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 68102941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harroshvoid osd_req_create_partition(struct osd_request *or, osd_id partition) 68202941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh{ 68302941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh _osd_req_encode_partition(or, OSD_ACT_CREATE_PARTITION, partition); 68402941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh} 68502941a530ef736210b4cf8b24dd34c238d5d5a40Boaz HarroshEXPORT_SYMBOL(osd_req_create_partition); 68602941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 68702941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harroshvoid osd_req_remove_partition(struct osd_request *or, osd_id partition) 68802941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh{ 68902941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh _osd_req_encode_partition(or, OSD_ACT_REMOVE_PARTITION, partition); 69002941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh} 69102941a530ef736210b4cf8b24dd34c238d5d5a40Boaz HarroshEXPORT_SYMBOL(osd_req_remove_partition); 69202941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 693ae30c994a4bb70510fdcb9e7223805bb2a8bc9eeBoaz Harrosh/*TODO: void osd_req_set_partition_key(struct osd_request *, 694ae30c994a4bb70510fdcb9e7223805bb2a8bc9eeBoaz Harrosh osd_id partition, u8 new_key_id[OSD_CRYPTO_KEYID_SIZE], 695ae30c994a4bb70510fdcb9e7223805bb2a8bc9eeBoaz Harrosh u8 seed[OSD_CRYPTO_SEED_SIZE]); */ 696ae30c994a4bb70510fdcb9e7223805bb2a8bc9eeBoaz Harrosh 6973e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harroshstatic int _osd_req_list_objects(struct osd_request *or, 6983e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh __be16 action, const struct osd_obj_id *obj, osd_id initial_id, 6993e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh struct osd_obj_id_list *list, unsigned nelem) 7003e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh{ 701fc2fac5b5f11e2bee3bf37215c8746236f5ea188Boaz Harrosh struct request_queue *q = osd_request_queue(or->osd_dev); 7023e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh u64 len = nelem * sizeof(osd_id) + sizeof(*list); 7033e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh struct bio *bio; 7043e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh 7053e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh _osd_req_encode_common(or, action, obj, (u64)initial_id, len); 7063e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh 7073e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh if (list->list_identifier) 7083e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh _osd_req_encode_olist(or, list); 7093e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh 7103e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh WARN_ON(or->in.bio); 7113e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh bio = bio_map_kern(q, list, len, or->alloc_flags); 712bf5e84f69618f416e89a5a53434a8c865e70252eDan Carpenter if (IS_ERR(bio)) { 7133e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh OSD_ERR("!!! Failed to allocate list_objects BIO\n"); 714bf5e84f69618f416e89a5a53434a8c865e70252eDan Carpenter return PTR_ERR(bio); 7153e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh } 7163e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh 7173e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh bio->bi_rw &= ~(1 << BIO_RW); 7183e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh or->in.bio = bio; 7193e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh or->in.total_bytes = bio->bi_size; 7203e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh return 0; 7213e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh} 7223e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh 7233e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harroshint osd_req_list_partition_collections(struct osd_request *or, 7243e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh osd_id partition, osd_id initial_id, struct osd_obj_id_list *list, 7253e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh unsigned nelem) 7263e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh{ 7273e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh struct osd_obj_id par = { 7283e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh .partition = partition, 7293e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh .id = 0, 7303e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh }; 7313e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh 7323e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh return osd_req_list_collection_objects(or, &par, initial_id, list, 7333e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh nelem); 7343e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh} 7353e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz HarroshEXPORT_SYMBOL(osd_req_list_partition_collections); 7363e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh 7373e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harroshint osd_req_list_partition_objects(struct osd_request *or, 7383e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh osd_id partition, osd_id initial_id, struct osd_obj_id_list *list, 7393e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh unsigned nelem) 7403e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh{ 7413e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh struct osd_obj_id par = { 7423e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh .partition = partition, 7433e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh .id = 0, 7443e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh }; 7453e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh 7463e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh return _osd_req_list_objects(or, OSD_ACT_LIST, &par, initial_id, list, 7473e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh nelem); 7483e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh} 7493e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz HarroshEXPORT_SYMBOL(osd_req_list_partition_objects); 7503e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh 7513e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harroshvoid osd_req_flush_partition(struct osd_request *or, 7523e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh osd_id partition, enum osd_options_flush_scope_values op) 7533e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh{ 7543e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh _osd_req_encode_partition(or, OSD_ACT_FLUSH_PARTITION, partition); 7553e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh _osd_req_encode_flush(or, op); 7563e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh} 7573e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz HarroshEXPORT_SYMBOL(osd_req_flush_partition); 7583e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh 7593e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh/* 7603e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh * Collection commands 7613e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh */ 762ae30c994a4bb70510fdcb9e7223805bb2a8bc9eeBoaz Harrosh/*TODO: void osd_req_create_collection(struct osd_request *, 763ae30c994a4bb70510fdcb9e7223805bb2a8bc9eeBoaz Harrosh const struct osd_obj_id *); */ 764ae30c994a4bb70510fdcb9e7223805bb2a8bc9eeBoaz Harrosh/*TODO: void osd_req_remove_collection(struct osd_request *, 765ae30c994a4bb70510fdcb9e7223805bb2a8bc9eeBoaz Harrosh const struct osd_obj_id *); */ 766ae30c994a4bb70510fdcb9e7223805bb2a8bc9eeBoaz Harrosh 7673e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harroshint osd_req_list_collection_objects(struct osd_request *or, 7683e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh const struct osd_obj_id *obj, osd_id initial_id, 7693e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh struct osd_obj_id_list *list, unsigned nelem) 7703e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh{ 7713e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh return _osd_req_list_objects(or, OSD_ACT_LIST_COLLECTION, obj, 7723e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh initial_id, list, nelem); 7733e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh} 7743e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz HarroshEXPORT_SYMBOL(osd_req_list_collection_objects); 7753e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh 776ae30c994a4bb70510fdcb9e7223805bb2a8bc9eeBoaz Harrosh/*TODO: void query(struct osd_request *, ...); V2 */ 777ae30c994a4bb70510fdcb9e7223805bb2a8bc9eeBoaz Harrosh 7783e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harroshvoid osd_req_flush_collection(struct osd_request *or, 7793e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh const struct osd_obj_id *obj, enum osd_options_flush_scope_values op) 7803e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh{ 7813e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh _osd_req_encode_common(or, OSD_ACT_FLUSH_PARTITION, obj, 0, 0); 7823e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh _osd_req_encode_flush(or, op); 7833e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh} 7843e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz HarroshEXPORT_SYMBOL(osd_req_flush_collection); 7853e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh 786ae30c994a4bb70510fdcb9e7223805bb2a8bc9eeBoaz Harrosh/*TODO: void get_member_attrs(struct osd_request *, ...); V2 */ 787ae30c994a4bb70510fdcb9e7223805bb2a8bc9eeBoaz Harrosh/*TODO: void set_member_attrs(struct osd_request *, ...); V2 */ 788ae30c994a4bb70510fdcb9e7223805bb2a8bc9eeBoaz Harrosh 78902941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh/* 79002941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * Object commands 79102941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh */ 79202941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harroshvoid osd_req_create_object(struct osd_request *or, struct osd_obj_id *obj) 79302941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh{ 79402941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh _osd_req_encode_common(or, OSD_ACT_CREATE, obj, 0, 0); 79502941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh} 79602941a530ef736210b4cf8b24dd34c238d5d5a40Boaz HarroshEXPORT_SYMBOL(osd_req_create_object); 79702941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 79802941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harroshvoid osd_req_remove_object(struct osd_request *or, struct osd_obj_id *obj) 79902941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh{ 80002941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh _osd_req_encode_common(or, OSD_ACT_REMOVE, obj, 0, 0); 80102941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh} 80202941a530ef736210b4cf8b24dd34c238d5d5a40Boaz HarroshEXPORT_SYMBOL(osd_req_remove_object); 80302941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 804ae30c994a4bb70510fdcb9e7223805bb2a8bc9eeBoaz Harrosh 805ae30c994a4bb70510fdcb9e7223805bb2a8bc9eeBoaz Harrosh/*TODO: void osd_req_create_multi(struct osd_request *or, 806ae30c994a4bb70510fdcb9e7223805bb2a8bc9eeBoaz Harrosh struct osd_obj_id *first, struct osd_obj_id_list *list, unsigned nelem); 807ae30c994a4bb70510fdcb9e7223805bb2a8bc9eeBoaz Harrosh*/ 808ae30c994a4bb70510fdcb9e7223805bb2a8bc9eeBoaz Harrosh 80902941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harroshvoid osd_req_write(struct osd_request *or, 81062f469b596dd0aadf046a69027087c18db43734eBoaz Harrosh const struct osd_obj_id *obj, u64 offset, 81162f469b596dd0aadf046a69027087c18db43734eBoaz Harrosh struct bio *bio, u64 len) 81202941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh{ 81362f469b596dd0aadf046a69027087c18db43734eBoaz Harrosh _osd_req_encode_common(or, OSD_ACT_WRITE, obj, offset, len); 81402941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh WARN_ON(or->out.bio || or->out.total_bytes); 81562f469b596dd0aadf046a69027087c18db43734eBoaz Harrosh WARN_ON(0 == bio_rw_flagged(bio, BIO_RW)); 81602941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh or->out.bio = bio; 81762f469b596dd0aadf046a69027087c18db43734eBoaz Harrosh or->out.total_bytes = len; 81802941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh} 81902941a530ef736210b4cf8b24dd34c238d5d5a40Boaz HarroshEXPORT_SYMBOL(osd_req_write); 82002941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 8210e35afbc8b054e04a35faa796c72abb3b82bd33bBoaz Harroshint osd_req_write_kern(struct osd_request *or, 8220e35afbc8b054e04a35faa796c72abb3b82bd33bBoaz Harrosh const struct osd_obj_id *obj, u64 offset, void* buff, u64 len) 8230e35afbc8b054e04a35faa796c72abb3b82bd33bBoaz Harrosh{ 824fc2fac5b5f11e2bee3bf37215c8746236f5ea188Boaz Harrosh struct request_queue *req_q = osd_request_queue(or->osd_dev); 8250e35afbc8b054e04a35faa796c72abb3b82bd33bBoaz Harrosh struct bio *bio = bio_map_kern(req_q, buff, len, GFP_KERNEL); 8260e35afbc8b054e04a35faa796c72abb3b82bd33bBoaz Harrosh 8270e35afbc8b054e04a35faa796c72abb3b82bd33bBoaz Harrosh if (IS_ERR(bio)) 8280e35afbc8b054e04a35faa796c72abb3b82bd33bBoaz Harrosh return PTR_ERR(bio); 8290e35afbc8b054e04a35faa796c72abb3b82bd33bBoaz Harrosh 83062f469b596dd0aadf046a69027087c18db43734eBoaz Harrosh bio->bi_rw |= (1 << BIO_RW); /* FIXME: bio_set_dir() */ 83162f469b596dd0aadf046a69027087c18db43734eBoaz Harrosh osd_req_write(or, obj, offset, bio, len); 8320e35afbc8b054e04a35faa796c72abb3b82bd33bBoaz Harrosh return 0; 8330e35afbc8b054e04a35faa796c72abb3b82bd33bBoaz Harrosh} 8340e35afbc8b054e04a35faa796c72abb3b82bd33bBoaz HarroshEXPORT_SYMBOL(osd_req_write_kern); 8350e35afbc8b054e04a35faa796c72abb3b82bd33bBoaz Harrosh 836ae30c994a4bb70510fdcb9e7223805bb2a8bc9eeBoaz Harrosh/*TODO: void osd_req_append(struct osd_request *, 837ae30c994a4bb70510fdcb9e7223805bb2a8bc9eeBoaz Harrosh const struct osd_obj_id *, struct bio *data_out); */ 838ae30c994a4bb70510fdcb9e7223805bb2a8bc9eeBoaz Harrosh/*TODO: void osd_req_create_write(struct osd_request *, 839ae30c994a4bb70510fdcb9e7223805bb2a8bc9eeBoaz Harrosh const struct osd_obj_id *, struct bio *data_out, u64 offset); */ 840ae30c994a4bb70510fdcb9e7223805bb2a8bc9eeBoaz Harrosh/*TODO: void osd_req_clear(struct osd_request *, 841ae30c994a4bb70510fdcb9e7223805bb2a8bc9eeBoaz Harrosh const struct osd_obj_id *, u64 offset, u64 len); */ 842ae30c994a4bb70510fdcb9e7223805bb2a8bc9eeBoaz Harrosh/*TODO: void osd_req_punch(struct osd_request *, 843ae30c994a4bb70510fdcb9e7223805bb2a8bc9eeBoaz Harrosh const struct osd_obj_id *, u64 offset, u64 len); V2 */ 844ae30c994a4bb70510fdcb9e7223805bb2a8bc9eeBoaz Harrosh 8453e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harroshvoid osd_req_flush_object(struct osd_request *or, 8463e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh const struct osd_obj_id *obj, enum osd_options_flush_scope_values op, 8473e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh /*V2*/ u64 offset, /*V2*/ u64 len) 8483e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh{ 849c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh if (unlikely(osd_req_is_ver1(or) && (offset || len))) { 850c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh OSD_DEBUG("OSD Ver1 flush on specific range ignored\n"); 851c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh offset = 0; 852c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh len = 0; 853c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh } 854c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh 8553e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh _osd_req_encode_common(or, OSD_ACT_FLUSH, obj, offset, len); 8563e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh _osd_req_encode_flush(or, op); 8573e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh} 8583e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz HarroshEXPORT_SYMBOL(osd_req_flush_object); 8593e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh 86002941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harroshvoid osd_req_read(struct osd_request *or, 86162f469b596dd0aadf046a69027087c18db43734eBoaz Harrosh const struct osd_obj_id *obj, u64 offset, 86262f469b596dd0aadf046a69027087c18db43734eBoaz Harrosh struct bio *bio, u64 len) 86302941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh{ 86462f469b596dd0aadf046a69027087c18db43734eBoaz Harrosh _osd_req_encode_common(or, OSD_ACT_READ, obj, offset, len); 86502941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh WARN_ON(or->in.bio || or->in.total_bytes); 86662f469b596dd0aadf046a69027087c18db43734eBoaz Harrosh WARN_ON(1 == bio_rw_flagged(bio, BIO_RW)); 86702941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh or->in.bio = bio; 86862f469b596dd0aadf046a69027087c18db43734eBoaz Harrosh or->in.total_bytes = len; 86902941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh} 87002941a530ef736210b4cf8b24dd34c238d5d5a40Boaz HarroshEXPORT_SYMBOL(osd_req_read); 87102941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 8720e35afbc8b054e04a35faa796c72abb3b82bd33bBoaz Harroshint osd_req_read_kern(struct osd_request *or, 8730e35afbc8b054e04a35faa796c72abb3b82bd33bBoaz Harrosh const struct osd_obj_id *obj, u64 offset, void* buff, u64 len) 8740e35afbc8b054e04a35faa796c72abb3b82bd33bBoaz Harrosh{ 875fc2fac5b5f11e2bee3bf37215c8746236f5ea188Boaz Harrosh struct request_queue *req_q = osd_request_queue(or->osd_dev); 8760e35afbc8b054e04a35faa796c72abb3b82bd33bBoaz Harrosh struct bio *bio = bio_map_kern(req_q, buff, len, GFP_KERNEL); 8770e35afbc8b054e04a35faa796c72abb3b82bd33bBoaz Harrosh 8780e35afbc8b054e04a35faa796c72abb3b82bd33bBoaz Harrosh if (IS_ERR(bio)) 8790e35afbc8b054e04a35faa796c72abb3b82bd33bBoaz Harrosh return PTR_ERR(bio); 8800e35afbc8b054e04a35faa796c72abb3b82bd33bBoaz Harrosh 88162f469b596dd0aadf046a69027087c18db43734eBoaz Harrosh osd_req_read(or, obj, offset, bio, len); 8820e35afbc8b054e04a35faa796c72abb3b82bd33bBoaz Harrosh return 0; 8830e35afbc8b054e04a35faa796c72abb3b82bd33bBoaz Harrosh} 8840e35afbc8b054e04a35faa796c72abb3b82bd33bBoaz HarroshEXPORT_SYMBOL(osd_req_read_kern); 8850e35afbc8b054e04a35faa796c72abb3b82bd33bBoaz Harrosh 8864ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harroshvoid osd_req_get_attributes(struct osd_request *or, 8874ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh const struct osd_obj_id *obj) 8884ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh{ 8894ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh _osd_req_encode_common(or, OSD_ACT_GET_ATTRIBUTES, obj, 0, 0); 8904ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh} 8914ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz HarroshEXPORT_SYMBOL(osd_req_get_attributes); 8924ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 8934ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harroshvoid osd_req_set_attributes(struct osd_request *or, 8944ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh const struct osd_obj_id *obj) 8954ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh{ 8964ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh _osd_req_encode_common(or, OSD_ACT_SET_ATTRIBUTES, obj, 0, 0); 8974ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh} 8984ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz HarroshEXPORT_SYMBOL(osd_req_set_attributes); 8994ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 9004ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh/* 9014ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh * Attributes List-mode 9024ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh */ 9034ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 9044ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harroshint osd_req_add_set_attr_list(struct osd_request *or, 9054ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh const struct osd_attr *oa, unsigned nelem) 9064ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh{ 9074ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh unsigned total_bytes = or->set_attr.total_bytes; 9084ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh void *attr_last; 9094ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh int ret; 9104ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 9114ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh if (or->attributes_mode && 9124ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh or->attributes_mode != OSD_CDB_GET_SET_ATTR_LISTS) { 9134ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh WARN_ON(1); 9144ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh return -EINVAL; 9154ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh } 9164ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh or->attributes_mode = OSD_CDB_GET_SET_ATTR_LISTS; 9174ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 9184ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh if (!total_bytes) { /* first-time: allocate and put list header */ 9194ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh total_bytes = _osd_req_sizeof_alist_header(or); 9204ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh ret = _alloc_set_attr_list(or, oa, nelem, total_bytes); 9214ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh if (ret) 9224ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh return ret; 9234ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh _osd_req_set_alist_type(or, or->set_attr.buff, 9244ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh OSD_ATTR_LIST_SET_RETRIEVE); 9254ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh } 9264ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh attr_last = or->set_attr.buff + total_bytes; 9274ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 9284ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh for (; nelem; --nelem) { 9294ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh unsigned elem_size = _osd_req_alist_elem_size(or, oa->len); 9304ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 9314ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh total_bytes += elem_size; 9324ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh if (unlikely(or->set_attr.alloc_size < total_bytes)) { 9334ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh or->set_attr.total_bytes = total_bytes - elem_size; 9344ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh ret = _alloc_set_attr_list(or, oa, nelem, total_bytes); 9354ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh if (ret) 9364ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh return ret; 9374ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh attr_last = 9384ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh or->set_attr.buff + or->set_attr.total_bytes; 9394ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh } 9404ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 94171f32e31e5638df37904697e2d04182935add85dBoaz Harrosh _osd_req_alist_elem_encode(or, attr_last, oa); 9424ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 9434ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh attr_last += elem_size; 9444ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh ++oa; 9454ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh } 9464ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 9474ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh or->set_attr.total_bytes = total_bytes; 9484ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh return 0; 9494ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh} 9504ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz HarroshEXPORT_SYMBOL(osd_req_add_set_attr_list); 9514ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 9524ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harroshstatic int _req_append_segment(struct osd_request *or, 9534ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh unsigned padding, struct _osd_req_data_segment *seg, 9544ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh struct _osd_req_data_segment *last_seg, struct _osd_io_info *io) 9554ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh{ 9564ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh void *pad_buff; 9574ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh int ret; 9584ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 9594ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh if (padding) { 9604ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh /* check if we can just add it to last buffer */ 9614ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh if (last_seg && 9624ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh (padding <= last_seg->alloc_size - last_seg->total_bytes)) 9634ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh pad_buff = last_seg->buff + last_seg->total_bytes; 9644ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh else 9654ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh pad_buff = io->pad_buff; 9664ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 967bc38bf106c967389a465d926be22c7371abba69dBoaz Harrosh ret = blk_rq_map_kern(io->req->q, io->req, pad_buff, padding, 9684ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh or->alloc_flags); 9694ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh if (ret) 9704ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh return ret; 9714ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh io->total_bytes += padding; 9724ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh } 9734ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 974bc38bf106c967389a465d926be22c7371abba69dBoaz Harrosh ret = blk_rq_map_kern(io->req->q, io->req, seg->buff, seg->total_bytes, 9754ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh or->alloc_flags); 9764ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh if (ret) 9774ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh return ret; 9784ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 9794ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh io->total_bytes += seg->total_bytes; 9804ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh OSD_DEBUG("padding=%d buff=%p total_bytes=%d\n", padding, seg->buff, 9814ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh seg->total_bytes); 9824ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh return 0; 9834ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh} 9844ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 9854ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harroshstatic int _osd_req_finalize_set_attr_list(struct osd_request *or) 9864ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh{ 9874ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh struct osd_cdb_head *cdbh = osd_cdb_head(&or->cdb); 9884ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh unsigned padding; 9894ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh int ret; 9904ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 9914ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh if (!or->set_attr.total_bytes) { 9924ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh cdbh->attrs_list.set_attr_offset = OSD_OFFSET_UNUSED; 9934ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh return 0; 9944ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh } 9954ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 9964ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh cdbh->attrs_list.set_attr_bytes = cpu_to_be32(or->set_attr.total_bytes); 9974ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh cdbh->attrs_list.set_attr_offset = 9984ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh osd_req_encode_offset(or, or->out.total_bytes, &padding); 9994ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 10004ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh ret = _req_append_segment(or, padding, &or->set_attr, 10014ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh or->out.last_seg, &or->out); 10024ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh if (ret) 10034ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh return ret; 10044ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 10054ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh or->out.last_seg = &or->set_attr; 10064ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh return 0; 10074ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh} 10084ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 10094ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harroshint osd_req_add_get_attr_list(struct osd_request *or, 10104ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh const struct osd_attr *oa, unsigned nelem) 10114ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh{ 10124ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh unsigned total_bytes = or->enc_get_attr.total_bytes; 10134ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh void *attr_last; 10144ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh int ret; 10154ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 10164ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh if (or->attributes_mode && 10174ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh or->attributes_mode != OSD_CDB_GET_SET_ATTR_LISTS) { 10184ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh WARN_ON(1); 10194ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh return -EINVAL; 10204ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh } 10214ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh or->attributes_mode = OSD_CDB_GET_SET_ATTR_LISTS; 10224ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 10234ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh /* first time calc data-in list header size */ 10244ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh if (!or->get_attr.total_bytes) 10254ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh or->get_attr.total_bytes = _osd_req_sizeof_alist_header(or); 10264ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 10274ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh /* calc data-out info */ 10284ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh if (!total_bytes) { /* first-time: allocate and put list header */ 10294ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh unsigned max_bytes; 10304ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 10314ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh total_bytes = _osd_req_sizeof_alist_header(or); 10324ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh max_bytes = total_bytes + 10334ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh nelem * sizeof(struct osd_attributes_list_attrid); 10344ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh ret = _alloc_get_attr_desc(or, max_bytes); 10354ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh if (ret) 10364ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh return ret; 10374ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 10384ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh _osd_req_set_alist_type(or, or->enc_get_attr.buff, 10394ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh OSD_ATTR_LIST_GET); 10404ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh } 10414ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh attr_last = or->enc_get_attr.buff + total_bytes; 10424ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 10434ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh for (; nelem; --nelem) { 10444ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh struct osd_attributes_list_attrid *attrid; 10454ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh const unsigned cur_size = sizeof(*attrid); 10464ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 10474ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh total_bytes += cur_size; 10484ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh if (unlikely(or->enc_get_attr.alloc_size < total_bytes)) { 10494ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh or->enc_get_attr.total_bytes = total_bytes - cur_size; 10504ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh ret = _alloc_get_attr_desc(or, 10514ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh total_bytes + nelem * sizeof(*attrid)); 10524ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh if (ret) 10534ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh return ret; 10544ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh attr_last = or->enc_get_attr.buff + 10554ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh or->enc_get_attr.total_bytes; 10564ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh } 10574ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 10584ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh attrid = attr_last; 10594ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh attrid->attr_page = cpu_to_be32(oa->attr_page); 10604ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh attrid->attr_id = cpu_to_be32(oa->attr_id); 10614ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 10624ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh attr_last += cur_size; 10634ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 10644ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh /* calc data-in size */ 10654ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh or->get_attr.total_bytes += 10664ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh _osd_req_alist_elem_size(or, oa->len); 10674ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh ++oa; 10684ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh } 10694ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 10704ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh or->enc_get_attr.total_bytes = total_bytes; 10714ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 10724ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh OSD_DEBUG( 10734ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh "get_attr.total_bytes=%u(%u) enc_get_attr.total_bytes=%u(%Zu)\n", 10744ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh or->get_attr.total_bytes, 10754ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh or->get_attr.total_bytes - _osd_req_sizeof_alist_header(or), 10764ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh or->enc_get_attr.total_bytes, 10774ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh (or->enc_get_attr.total_bytes - _osd_req_sizeof_alist_header(or)) 10784ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh / sizeof(struct osd_attributes_list_attrid)); 10794ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 10804ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh return 0; 10814ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh} 10824ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz HarroshEXPORT_SYMBOL(osd_req_add_get_attr_list); 10834ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 10844ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harroshstatic int _osd_req_finalize_get_attr_list(struct osd_request *or) 10854ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh{ 10864ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh struct osd_cdb_head *cdbh = osd_cdb_head(&or->cdb); 10874ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh unsigned out_padding; 10884ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh unsigned in_padding; 10894ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh int ret; 10904ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 10914ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh if (!or->enc_get_attr.total_bytes) { 10924ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh cdbh->attrs_list.get_attr_desc_offset = OSD_OFFSET_UNUSED; 10934ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh cdbh->attrs_list.get_attr_offset = OSD_OFFSET_UNUSED; 10944ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh return 0; 10954ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh } 10964ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 10974ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh ret = _alloc_get_attr_list(or); 10984ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh if (ret) 10994ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh return ret; 11004ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 11014ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh /* The out-going buffer info update */ 11024ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh OSD_DEBUG("out-going\n"); 11034ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh cdbh->attrs_list.get_attr_desc_bytes = 11044ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh cpu_to_be32(or->enc_get_attr.total_bytes); 11054ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 11064ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh cdbh->attrs_list.get_attr_desc_offset = 11074ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh osd_req_encode_offset(or, or->out.total_bytes, &out_padding); 11084ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 11094ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh ret = _req_append_segment(or, out_padding, &or->enc_get_attr, 11104ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh or->out.last_seg, &or->out); 11114ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh if (ret) 11124ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh return ret; 11134ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh or->out.last_seg = &or->enc_get_attr; 11144ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 11154ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh /* The incoming buffer info update */ 11164ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh OSD_DEBUG("in-coming\n"); 11174ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh cdbh->attrs_list.get_attr_alloc_length = 11184ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh cpu_to_be32(or->get_attr.total_bytes); 11194ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 11204ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh cdbh->attrs_list.get_attr_offset = 11214ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh osd_req_encode_offset(or, or->in.total_bytes, &in_padding); 11224ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 11234ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh ret = _req_append_segment(or, in_padding, &or->get_attr, NULL, 11244ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh &or->in); 11254ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh if (ret) 11264ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh return ret; 11274ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh or->in.last_seg = &or->get_attr; 11284ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 11294ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh return 0; 11304ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh} 11314ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 11324ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harroshint osd_req_decode_get_attr_list(struct osd_request *or, 11334ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh struct osd_attr *oa, int *nelem, void **iterator) 11344ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh{ 11354ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh unsigned cur_bytes, returned_bytes; 11364ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh int n; 11374ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh const unsigned sizeof_attr_list = _osd_req_sizeof_alist_header(or); 11384ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh void *cur_p; 11394ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 11404ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh if (!_osd_req_is_alist_type(or, or->get_attr.buff, 11414ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh OSD_ATTR_LIST_SET_RETRIEVE)) { 11424ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh oa->attr_page = 0; 11434ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh oa->attr_id = 0; 11444ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh oa->val_ptr = NULL; 11454ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh oa->len = 0; 11464ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh *iterator = NULL; 11474ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh return 0; 11484ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh } 11494ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 11504ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh if (*iterator) { 11514ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh BUG_ON((*iterator < or->get_attr.buff) || 11524ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh (or->get_attr.buff + or->get_attr.alloc_size < *iterator)); 11534ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh cur_p = *iterator; 11544ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh cur_bytes = (*iterator - or->get_attr.buff) - sizeof_attr_list; 11554ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh returned_bytes = or->get_attr.total_bytes; 11564ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh } else { /* first time decode the list header */ 11574ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh cur_bytes = sizeof_attr_list; 11584ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh returned_bytes = _osd_req_alist_size(or, or->get_attr.buff) + 11594ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh sizeof_attr_list; 11604ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 11614ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh cur_p = or->get_attr.buff + sizeof_attr_list; 11624ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 11634ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh if (returned_bytes > or->get_attr.alloc_size) { 11644ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh OSD_DEBUG("target report: space was not big enough! " 11654ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh "Allocate=%u Needed=%u\n", 11664ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh or->get_attr.alloc_size, 11674ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh returned_bytes + sizeof_attr_list); 11684ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 11694ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh returned_bytes = 11704ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh or->get_attr.alloc_size - sizeof_attr_list; 11714ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh } 11724ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh or->get_attr.total_bytes = returned_bytes; 11734ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh } 11744ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 11754ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh for (n = 0; (n < *nelem) && (cur_bytes < returned_bytes); ++n) { 117671f32e31e5638df37904697e2d04182935add85dBoaz Harrosh int inc = _osd_req_alist_elem_decode(or, cur_p, oa, 117771f32e31e5638df37904697e2d04182935add85dBoaz Harrosh returned_bytes - cur_bytes); 11784ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 117971f32e31e5638df37904697e2d04182935add85dBoaz Harrosh if (inc < 0) { 11804ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh OSD_ERR("BAD FOOD from target. list not valid!" 11814ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh "c=%d r=%d n=%d\n", 11824ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh cur_bytes, returned_bytes, n); 11834ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh oa->val_ptr = NULL; 1184eff21490c91f981126f0ead3c081dde4f425d387Boaz Harrosh cur_bytes = returned_bytes; /* break the caller loop */ 11854ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh break; 11864ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh } 11874ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 118871f32e31e5638df37904697e2d04182935add85dBoaz Harrosh cur_bytes += inc; 11894ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh cur_p += inc; 11904ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh ++oa; 11914ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh } 11924ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 11934ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh *iterator = (returned_bytes - cur_bytes) ? cur_p : NULL; 11944ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh *nelem = n; 11954ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh return returned_bytes - cur_bytes; 11964ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh} 11974ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz HarroshEXPORT_SYMBOL(osd_req_decode_get_attr_list); 11984ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 11994ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh/* 12004ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh * Attributes Page-mode 12014ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh */ 12024ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 12034ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harroshint osd_req_add_get_attr_page(struct osd_request *or, 12044ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh u32 page_id, void *attar_page, unsigned max_page_len, 12054ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh const struct osd_attr *set_one_attr) 12064ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh{ 12074ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh struct osd_cdb_head *cdbh = osd_cdb_head(&or->cdb); 12084ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 12094ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh if (or->attributes_mode && 12104ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh or->attributes_mode != OSD_CDB_GET_ATTR_PAGE_SET_ONE) { 12114ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh WARN_ON(1); 12124ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh return -EINVAL; 12134ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh } 12144ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh or->attributes_mode = OSD_CDB_GET_ATTR_PAGE_SET_ONE; 12154ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 12164ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh or->get_attr.buff = attar_page; 12174ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh or->get_attr.total_bytes = max_page_len; 12184ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 12194ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh or->set_attr.buff = set_one_attr->val_ptr; 12204ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh or->set_attr.total_bytes = set_one_attr->len; 12214ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 12224ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh cdbh->attrs_page.get_attr_page = cpu_to_be32(page_id); 12234ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh cdbh->attrs_page.get_attr_alloc_length = cpu_to_be32(max_page_len); 12244ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh /* ocdb->attrs_page.get_attr_offset; */ 12254ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 12264ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh cdbh->attrs_page.set_attr_page = cpu_to_be32(set_one_attr->attr_page); 12274ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh cdbh->attrs_page.set_attr_id = cpu_to_be32(set_one_attr->attr_id); 12284ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh cdbh->attrs_page.set_attr_length = cpu_to_be32(set_one_attr->len); 12294ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh /* ocdb->attrs_page.set_attr_offset; */ 12304ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh return 0; 12314ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh} 12324ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz HarroshEXPORT_SYMBOL(osd_req_add_get_attr_page); 12334ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 12344ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harroshstatic int _osd_req_finalize_attr_page(struct osd_request *or) 12354ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh{ 12364ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh struct osd_cdb_head *cdbh = osd_cdb_head(&or->cdb); 12374ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh unsigned in_padding, out_padding; 12384ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh int ret; 12394ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 12404ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh /* returned page */ 12414ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh cdbh->attrs_page.get_attr_offset = 12424ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh osd_req_encode_offset(or, or->in.total_bytes, &in_padding); 12434ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 12444ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh ret = _req_append_segment(or, in_padding, &or->get_attr, NULL, 12454ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh &or->in); 12464ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh if (ret) 12474ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh return ret; 12484ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 12494ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh /* set one value */ 12504ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh cdbh->attrs_page.set_attr_offset = 12514ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh osd_req_encode_offset(or, or->out.total_bytes, &out_padding); 12524ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 12534ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh ret = _req_append_segment(or, out_padding, &or->enc_get_attr, NULL, 12544ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh &or->out); 12554ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh return ret; 12564ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh} 12574ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 1258f8d3a644bec74fd55dbfb11f95af7bf98fa963dcBoaz Harroshstatic inline void osd_sec_parms_set_out_offset(bool is_v1, 1259f8d3a644bec74fd55dbfb11f95af7bf98fa963dcBoaz Harrosh struct osd_security_parameters *sec_parms, osd_cdb_offset offset) 1260f8d3a644bec74fd55dbfb11f95af7bf98fa963dcBoaz Harrosh{ 1261f8d3a644bec74fd55dbfb11f95af7bf98fa963dcBoaz Harrosh if (is_v1) 1262f8d3a644bec74fd55dbfb11f95af7bf98fa963dcBoaz Harrosh sec_parms->v1.data_out_integrity_check_offset = offset; 1263f8d3a644bec74fd55dbfb11f95af7bf98fa963dcBoaz Harrosh else 1264f8d3a644bec74fd55dbfb11f95af7bf98fa963dcBoaz Harrosh sec_parms->v2.data_out_integrity_check_offset = offset; 1265f8d3a644bec74fd55dbfb11f95af7bf98fa963dcBoaz Harrosh} 1266f8d3a644bec74fd55dbfb11f95af7bf98fa963dcBoaz Harrosh 1267f8d3a644bec74fd55dbfb11f95af7bf98fa963dcBoaz Harroshstatic inline void osd_sec_parms_set_in_offset(bool is_v1, 1268f8d3a644bec74fd55dbfb11f95af7bf98fa963dcBoaz Harrosh struct osd_security_parameters *sec_parms, osd_cdb_offset offset) 1269f8d3a644bec74fd55dbfb11f95af7bf98fa963dcBoaz Harrosh{ 1270f8d3a644bec74fd55dbfb11f95af7bf98fa963dcBoaz Harrosh if (is_v1) 1271f8d3a644bec74fd55dbfb11f95af7bf98fa963dcBoaz Harrosh sec_parms->v1.data_in_integrity_check_offset = offset; 1272f8d3a644bec74fd55dbfb11f95af7bf98fa963dcBoaz Harrosh else 1273f8d3a644bec74fd55dbfb11f95af7bf98fa963dcBoaz Harrosh sec_parms->v2.data_in_integrity_check_offset = offset; 1274f8d3a644bec74fd55dbfb11f95af7bf98fa963dcBoaz Harrosh} 1275f8d3a644bec74fd55dbfb11f95af7bf98fa963dcBoaz Harrosh 1276345c435dbb0b77b00ffe73801102533e24c647afBoaz Harroshstatic int _osd_req_finalize_data_integrity(struct osd_request *or, 1277546881aea9787ed5c626ac99ab80158ea9ae0515Boaz Harrosh bool has_in, bool has_out, u64 out_data_bytes, const u8 *cap_key) 1278345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh{ 1279345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh struct osd_security_parameters *sec_parms = _osd_req_sec_params(or); 1280345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh int ret; 1281345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh 1282345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh if (!osd_is_sec_alldata(sec_parms)) 1283345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh return 0; 1284345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh 1285345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh if (has_out) { 1286345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh struct _osd_req_data_segment seg = { 1287345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh .buff = &or->out_data_integ, 1288345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh .total_bytes = sizeof(or->out_data_integ), 1289345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh }; 1290345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh unsigned pad; 1291345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh 1292546881aea9787ed5c626ac99ab80158ea9ae0515Boaz Harrosh or->out_data_integ.data_bytes = cpu_to_be64(out_data_bytes); 1293345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh or->out_data_integ.set_attributes_bytes = cpu_to_be64( 1294345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh or->set_attr.total_bytes); 1295345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh or->out_data_integ.get_attributes_bytes = cpu_to_be64( 1296345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh or->enc_get_attr.total_bytes); 1297345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh 1298f8d3a644bec74fd55dbfb11f95af7bf98fa963dcBoaz Harrosh osd_sec_parms_set_out_offset(osd_req_is_ver1(or), sec_parms, 1299f8d3a644bec74fd55dbfb11f95af7bf98fa963dcBoaz Harrosh osd_req_encode_offset(or, or->out.total_bytes, &pad)); 1300345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh 1301345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh ret = _req_append_segment(or, pad, &seg, or->out.last_seg, 1302345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh &or->out); 1303345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh if (ret) 1304345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh return ret; 1305345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh or->out.last_seg = NULL; 1306345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh 1307345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh /* they are now all chained to request sign them all together */ 1308345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh osd_sec_sign_data(&or->out_data_integ, or->out.req->bio, 1309345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh cap_key); 1310345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh } 1311345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh 1312345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh if (has_in) { 1313345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh struct _osd_req_data_segment seg = { 1314345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh .buff = &or->in_data_integ, 1315345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh .total_bytes = sizeof(or->in_data_integ), 1316345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh }; 1317345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh unsigned pad; 1318345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh 1319f8d3a644bec74fd55dbfb11f95af7bf98fa963dcBoaz Harrosh osd_sec_parms_set_in_offset(osd_req_is_ver1(or), sec_parms, 1320f8d3a644bec74fd55dbfb11f95af7bf98fa963dcBoaz Harrosh osd_req_encode_offset(or, or->in.total_bytes, &pad)); 1321345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh 1322345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh ret = _req_append_segment(or, pad, &seg, or->in.last_seg, 1323345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh &or->in); 1324345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh if (ret) 1325345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh return ret; 1326345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh 1327345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh or->in.last_seg = NULL; 1328345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh } 1329345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh 1330345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh return 0; 1331345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh} 1332345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh 133302941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh/* 133402941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * osd_finalize_request and helpers 133502941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh */ 1336c29b70f6ee4f2fa3ef07f55bc9082945861e5391Boaz Harroshstatic struct request *_make_request(struct request_queue *q, bool has_write, 1337c29b70f6ee4f2fa3ef07f55bc9082945861e5391Boaz Harrosh struct _osd_io_info *oii, gfp_t flags) 1338c29b70f6ee4f2fa3ef07f55bc9082945861e5391Boaz Harrosh{ 1339c29b70f6ee4f2fa3ef07f55bc9082945861e5391Boaz Harrosh if (oii->bio) 1340c29b70f6ee4f2fa3ef07f55bc9082945861e5391Boaz Harrosh return blk_make_request(q, oii->bio, flags); 1341c29b70f6ee4f2fa3ef07f55bc9082945861e5391Boaz Harrosh else { 1342c29b70f6ee4f2fa3ef07f55bc9082945861e5391Boaz Harrosh struct request *req; 1343c29b70f6ee4f2fa3ef07f55bc9082945861e5391Boaz Harrosh 1344c29b70f6ee4f2fa3ef07f55bc9082945861e5391Boaz Harrosh req = blk_get_request(q, has_write ? WRITE : READ, flags); 1345c29b70f6ee4f2fa3ef07f55bc9082945861e5391Boaz Harrosh if (unlikely(!req)) 1346c29b70f6ee4f2fa3ef07f55bc9082945861e5391Boaz Harrosh return ERR_PTR(-ENOMEM); 1347c29b70f6ee4f2fa3ef07f55bc9082945861e5391Boaz Harrosh 1348c29b70f6ee4f2fa3ef07f55bc9082945861e5391Boaz Harrosh return req; 1349c29b70f6ee4f2fa3ef07f55bc9082945861e5391Boaz Harrosh } 1350c29b70f6ee4f2fa3ef07f55bc9082945861e5391Boaz Harrosh} 135102941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 135202941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harroshstatic int _init_blk_request(struct osd_request *or, 135302941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh bool has_in, bool has_out) 135402941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh{ 135502941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh gfp_t flags = or->alloc_flags; 135602941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh struct scsi_device *scsi_device = or->osd_dev->scsi_device; 135702941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh struct request_queue *q = scsi_device->request_queue; 135802941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh struct request *req; 1359c29b70f6ee4f2fa3ef07f55bc9082945861e5391Boaz Harrosh int ret; 136002941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 1361c29b70f6ee4f2fa3ef07f55bc9082945861e5391Boaz Harrosh req = _make_request(q, has_out, has_out ? &or->out : &or->in, flags); 1362c29b70f6ee4f2fa3ef07f55bc9082945861e5391Boaz Harrosh if (IS_ERR(req)) { 1363c29b70f6ee4f2fa3ef07f55bc9082945861e5391Boaz Harrosh ret = PTR_ERR(req); 136402941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh goto out; 1365c29b70f6ee4f2fa3ef07f55bc9082945861e5391Boaz Harrosh } 136602941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 136702941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh or->request = req; 136802941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh req->cmd_type = REQ_TYPE_BLOCK_PC; 136903306793e686fd895ab8fa095bb9ec33658ea53aBoaz Harrosh req->cmd_flags |= REQ_QUIET; 137003306793e686fd895ab8fa095bb9ec33658ea53aBoaz Harrosh 137102941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh req->timeout = or->timeout; 137202941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh req->retries = or->retries; 137302941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh req->sense = or->sense; 137402941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh req->sense_len = 0; 137502941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 137602941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh if (has_out) { 137702941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh or->out.req = req; 137802941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh if (has_in) { 137902941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh /* allocate bidi request */ 1380c29b70f6ee4f2fa3ef07f55bc9082945861e5391Boaz Harrosh req = _make_request(q, false, &or->in, flags); 1381c29b70f6ee4f2fa3ef07f55bc9082945861e5391Boaz Harrosh if (IS_ERR(req)) { 138202941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh OSD_DEBUG("blk_get_request for bidi failed\n"); 1383c29b70f6ee4f2fa3ef07f55bc9082945861e5391Boaz Harrosh ret = PTR_ERR(req); 138402941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh goto out; 138502941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh } 138602941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh req->cmd_type = REQ_TYPE_BLOCK_PC; 138702941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh or->in.req = or->request->next_rq = req; 138802941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh } 138902941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh } else if (has_in) 139002941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh or->in.req = req; 139102941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 139202941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh ret = 0; 139302941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harroshout: 139402941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh OSD_DEBUG("or=%p has_in=%d has_out=%d => %d, %p\n", 139502941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh or, has_in, has_out, ret, or->request); 139602941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh return ret; 139702941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh} 139802941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 139902941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harroshint osd_finalize_request(struct osd_request *or, 140002941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh u8 options, const void *cap, const u8 *cap_key) 140102941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh{ 140202941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh struct osd_cdb_head *cdbh = osd_cdb_head(&or->cdb); 140302941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh bool has_in, has_out; 1404546881aea9787ed5c626ac99ab80158ea9ae0515Boaz Harrosh u64 out_data_bytes = or->out.total_bytes; 140502941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh int ret; 140602941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 140702941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh if (options & OSD_REQ_FUA) 140802941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh cdbh->options |= OSD_CDB_FUA; 140902941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 141002941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh if (options & OSD_REQ_DPO) 141102941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh cdbh->options |= OSD_CDB_DPO; 141202941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 141302941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh if (options & OSD_REQ_BYPASS_TIMESTAMPS) 141402941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh cdbh->timestamp_control = OSD_CDB_BYPASS_TIMESTAMPS; 141502941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 141602941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh osd_set_caps(&or->cdb, cap); 141702941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 141802941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh has_in = or->in.bio || or->get_attr.total_bytes; 141902941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh has_out = or->out.bio || or->set_attr.total_bytes || 142002941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh or->enc_get_attr.total_bytes; 142102941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 142202941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh ret = _init_blk_request(or, has_in, has_out); 142302941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh if (ret) { 142402941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh OSD_DEBUG("_init_blk_request failed\n"); 142502941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh return ret; 142602941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh } 142702941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 14284ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh or->out.pad_buff = sg_out_pad_buffer; 14294ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh or->in.pad_buff = sg_in_pad_buffer; 14304ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 143102941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh if (!or->attributes_mode) 143202941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh or->attributes_mode = OSD_CDB_GET_SET_ATTR_LISTS; 143302941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh cdbh->command_specific_options |= or->attributes_mode; 14344ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh if (or->attributes_mode == OSD_CDB_GET_ATTR_PAGE_SET_ONE) { 14354ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh ret = _osd_req_finalize_attr_page(or); 14364ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh } else { 14374ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh /* TODO: I think that for the GET_ATTR command these 2 should 14384ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh * be reversed to keep them in execution order (for embeded 14394ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh * targets with low memory footprint) 14404ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh */ 14414ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh ret = _osd_req_finalize_set_attr_list(or); 14424ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh if (ret) { 14434ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh OSD_DEBUG("_osd_req_finalize_set_attr_list failed\n"); 14444ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh return ret; 14454ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh } 14464ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 14474ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh ret = _osd_req_finalize_get_attr_list(or); 14484ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh if (ret) { 14494ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh OSD_DEBUG("_osd_req_finalize_get_attr_list failed\n"); 14504ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh return ret; 14514ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh } 14524ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh } 145302941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 1454546881aea9787ed5c626ac99ab80158ea9ae0515Boaz Harrosh ret = _osd_req_finalize_data_integrity(or, has_in, has_out, 1455546881aea9787ed5c626ac99ab80158ea9ae0515Boaz Harrosh out_data_bytes, cap_key); 1456345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh if (ret) 1457345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh return ret; 1458345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh 1459345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh osd_sec_sign_cdb(&or->cdb, cap_key); 1460345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh 146102941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh or->request->cmd = or->cdb.buff; 146202941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh or->request->cmd_len = _osd_req_cdb_len(or); 146302941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 146402941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh return 0; 146502941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh} 146602941a530ef736210b4cf8b24dd34c238d5d5a40Boaz HarroshEXPORT_SYMBOL(osd_finalize_request); 146702941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 1468aa9fffbe2c4db4557248c5c626a85bf3c7867044Boaz Harroshstatic bool _is_osd_security_code(int code) 1469aa9fffbe2c4db4557248c5c626a85bf3c7867044Boaz Harrosh{ 1470aa9fffbe2c4db4557248c5c626a85bf3c7867044Boaz Harrosh return (code == osd_security_audit_value_frozen) || 1471aa9fffbe2c4db4557248c5c626a85bf3c7867044Boaz Harrosh (code == osd_security_working_key_frozen) || 1472aa9fffbe2c4db4557248c5c626a85bf3c7867044Boaz Harrosh (code == osd_nonce_not_unique) || 1473aa9fffbe2c4db4557248c5c626a85bf3c7867044Boaz Harrosh (code == osd_nonce_timestamp_out_of_range) || 1474aa9fffbe2c4db4557248c5c626a85bf3c7867044Boaz Harrosh (code == osd_invalid_dataout_buffer_integrity_check_value); 1475aa9fffbe2c4db4557248c5c626a85bf3c7867044Boaz Harrosh} 1476aa9fffbe2c4db4557248c5c626a85bf3c7867044Boaz Harrosh 147798f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh#define OSD_SENSE_PRINT1(fmt, a...) \ 147898f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh do { \ 147998f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh if (__cur_sense_need_output) \ 148098f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh OSD_ERR(fmt, ##a); \ 148198f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh } while (0) 148298f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh 148398f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh#define OSD_SENSE_PRINT2(fmt, a...) OSD_SENSE_PRINT1(" " fmt, ##a) 148498f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh 148598f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harroshint osd_req_decode_sense_full(struct osd_request *or, 148698f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh struct osd_sense_info *osi, bool silent, 148798f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh struct osd_obj_id *bad_obj_list __unused, int max_obj __unused, 148898f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh struct osd_attr *bad_attr_list, int max_attr) 148998f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh{ 149098f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh int sense_len, original_sense_len; 149198f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh struct osd_sense_info local_osi; 149298f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh struct scsi_sense_descriptor_based *ssdb; 149398f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh void *cur_descriptor; 149498f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh#if (CONFIG_SCSI_OSD_DPRINT_SENSE == 0) 149598f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh const bool __cur_sense_need_output = false; 149698f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh#else 149798f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh bool __cur_sense_need_output = !silent; 149898f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh#endif 1499aa9fffbe2c4db4557248c5c626a85bf3c7867044Boaz Harrosh int ret; 150098f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh 15015d0961fd1f25e117f907f3af3aaa870637049252Boaz Harrosh if (likely(!or->req_errors)) 150298f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh return 0; 1503aa9fffbe2c4db4557248c5c626a85bf3c7867044Boaz Harrosh 1504aa9fffbe2c4db4557248c5c626a85bf3c7867044Boaz Harrosh osi = osi ? : &local_osi; 1505aa9fffbe2c4db4557248c5c626a85bf3c7867044Boaz Harrosh memset(osi, 0, sizeof(*osi)); 150698f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh 15075d0961fd1f25e117f907f3af3aaa870637049252Boaz Harrosh ssdb = (typeof(ssdb))or->sense; 15085d0961fd1f25e117f907f3af3aaa870637049252Boaz Harrosh sense_len = or->sense_len; 150998f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh if ((sense_len < (int)sizeof(*ssdb) || !ssdb->sense_key)) { 151098f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh OSD_ERR("Block-layer returned error(0x%x) but " 151198f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh "sense_len(%u) || key(%d) is empty\n", 15125d0961fd1f25e117f907f3af3aaa870637049252Boaz Harrosh or->req_errors, sense_len, ssdb->sense_key); 1513aa9fffbe2c4db4557248c5c626a85bf3c7867044Boaz Harrosh goto analyze; 151498f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh } 151598f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh 151698f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh if ((ssdb->response_code != 0x72) && (ssdb->response_code != 0x73)) { 151798f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh OSD_ERR("Unrecognized scsi sense: rcode=%x length=%d\n", 151898f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh ssdb->response_code, sense_len); 1519aa9fffbe2c4db4557248c5c626a85bf3c7867044Boaz Harrosh goto analyze; 152098f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh } 152198f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh 152298f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh osi->key = ssdb->sense_key; 152398f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh osi->additional_code = be16_to_cpu(ssdb->additional_sense_code); 152498f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh original_sense_len = ssdb->additional_sense_length + 8; 152598f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh 152698f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh#if (CONFIG_SCSI_OSD_DPRINT_SENSE == 1) 152798f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh if (__cur_sense_need_output) 152898f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh __cur_sense_need_output = (osi->key > scsi_sk_recovered_error); 152998f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh#endif 153098f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh OSD_SENSE_PRINT1("Main Sense information key=0x%x length(%d, %d) " 1531aa9fffbe2c4db4557248c5c626a85bf3c7867044Boaz Harrosh "additional_code=0x%x async_error=%d errors=0x%x\n", 153298f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh osi->key, original_sense_len, sense_len, 1533aa9fffbe2c4db4557248c5c626a85bf3c7867044Boaz Harrosh osi->additional_code, or->async_error, 15345d0961fd1f25e117f907f3af3aaa870637049252Boaz Harrosh or->req_errors); 153598f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh 153698f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh if (original_sense_len < sense_len) 153798f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh sense_len = original_sense_len; 153898f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh 153998f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh cur_descriptor = ssdb->ssd; 154098f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh sense_len -= sizeof(*ssdb); 154198f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh while (sense_len > 0) { 154298f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh struct scsi_sense_descriptor *ssd = cur_descriptor; 154398f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh int cur_len = ssd->additional_length + 2; 154498f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh 154598f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh sense_len -= cur_len; 154698f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh 154798f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh if (sense_len < 0) 154898f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh break; /* sense was truncated */ 154998f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh 155098f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh switch (ssd->descriptor_type) { 155198f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh case scsi_sense_information: 155298f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh case scsi_sense_command_specific_information: 155398f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh { 155498f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh struct scsi_sense_command_specific_data_descriptor 155598f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh *sscd = cur_descriptor; 155698f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh 155798f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh osi->command_info = 155898f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh get_unaligned_be64(&sscd->information) ; 155998f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh OSD_SENSE_PRINT2( 156098f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh "command_specific_information 0x%llx \n", 156198f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh _LLU(osi->command_info)); 156298f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh break; 156398f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh } 156498f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh case scsi_sense_key_specific: 156598f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh { 156698f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh struct scsi_sense_key_specific_data_descriptor 156798f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh *ssks = cur_descriptor; 156898f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh 156998f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh osi->sense_info = get_unaligned_be16(&ssks->value); 157098f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh OSD_SENSE_PRINT2( 157198f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh "sense_key_specific_information %u" 157298f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh "sksv_cd_bpv_bp (0x%x)\n", 157398f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh osi->sense_info, ssks->sksv_cd_bpv_bp); 157498f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh break; 157598f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh } 157698f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh case osd_sense_object_identification: 157798f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh { /*FIXME: Keep first not last, Store in array*/ 157898f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh struct osd_sense_identification_data_descriptor 157998f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh *osidd = cur_descriptor; 158098f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh 158198f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh osi->not_initiated_command_functions = 158298f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh le32_to_cpu(osidd->not_initiated_functions); 158398f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh osi->completed_command_functions = 158498f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh le32_to_cpu(osidd->completed_functions); 158598f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh osi->obj.partition = be64_to_cpu(osidd->partition_id); 158698f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh osi->obj.id = be64_to_cpu(osidd->object_id); 158798f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh OSD_SENSE_PRINT2( 158898f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh "object_identification pid=0x%llx oid=0x%llx\n", 158998f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh _LLU(osi->obj.partition), _LLU(osi->obj.id)); 159098f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh OSD_SENSE_PRINT2( 159198f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh "not_initiated_bits(%x) " 159298f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh "completed_command_bits(%x)\n", 159398f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh osi->not_initiated_command_functions, 159498f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh osi->completed_command_functions); 159598f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh break; 159698f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh } 159798f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh case osd_sense_response_integrity_check: 159898f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh { 159998f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh struct osd_sense_response_integrity_check_descriptor 160098f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh *osricd = cur_descriptor; 160198f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh const unsigned len = 160298f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh sizeof(osricd->integrity_check_value); 160398f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh char key_dump[len*4 + 2]; /* 2nibbles+space+ASCII */ 160498f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh 160598f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh hex_dump_to_buffer(osricd->integrity_check_value, len, 160698f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh 32, 1, key_dump, sizeof(key_dump), true); 160798f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh OSD_SENSE_PRINT2("response_integrity [%s]\n", key_dump); 160898f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh } 160998f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh case osd_sense_attribute_identification: 161098f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh { 161198f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh struct osd_sense_attributes_data_descriptor 161298f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh *osadd = cur_descriptor; 161371ecb74b15377a6c0e0e6ea95d4b549580fb4d48Boaz Harrosh unsigned len = min(cur_len, sense_len); 161498f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh struct osd_sense_attr *pattr = osadd->sense_attrs; 161598f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh 161671ecb74b15377a6c0e0e6ea95d4b549580fb4d48Boaz Harrosh while (len >= sizeof(*pattr)) { 161798f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh u32 attr_page = be32_to_cpu(pattr->attr_page); 161898f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh u32 attr_id = be32_to_cpu(pattr->attr_id); 161998f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh 162071ecb74b15377a6c0e0e6ea95d4b549580fb4d48Boaz Harrosh if (!osi->attr.attr_page) { 162198f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh osi->attr.attr_page = attr_page; 162298f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh osi->attr.attr_id = attr_id; 162398f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh } 162498f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh 162598f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh if (bad_attr_list && max_attr) { 162698f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh bad_attr_list->attr_page = attr_page; 162798f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh bad_attr_list->attr_id = attr_id; 162898f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh bad_attr_list++; 162998f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh max_attr--; 163098f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh } 163171ecb74b15377a6c0e0e6ea95d4b549580fb4d48Boaz Harrosh 163271ecb74b15377a6c0e0e6ea95d4b549580fb4d48Boaz Harrosh len -= sizeof(*pattr); 163398f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh OSD_SENSE_PRINT2( 163498f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh "osd_sense_attribute_identification" 163598f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh "attr_page=0x%x attr_id=0x%x\n", 163698f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh attr_page, attr_id); 163798f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh } 163898f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh } 163998f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh /*These are not legal for OSD*/ 164098f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh case scsi_sense_field_replaceable_unit: 164198f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh OSD_SENSE_PRINT2("scsi_sense_field_replaceable_unit\n"); 164298f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh break; 164398f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh case scsi_sense_stream_commands: 164498f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh OSD_SENSE_PRINT2("scsi_sense_stream_commands\n"); 164598f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh break; 164698f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh case scsi_sense_block_commands: 164798f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh OSD_SENSE_PRINT2("scsi_sense_block_commands\n"); 164898f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh break; 164998f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh case scsi_sense_ata_return: 165098f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh OSD_SENSE_PRINT2("scsi_sense_ata_return\n"); 165198f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh break; 165298f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh default: 165398f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh if (ssd->descriptor_type <= scsi_sense_Reserved_last) 165498f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh OSD_SENSE_PRINT2( 165598f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh "scsi_sense Reserved descriptor (0x%x)", 165698f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh ssd->descriptor_type); 165798f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh else 165898f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh OSD_SENSE_PRINT2( 165998f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh "scsi_sense Vendor descriptor (0x%x)", 166098f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh ssd->descriptor_type); 166198f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh } 166298f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh 166398f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh cur_descriptor += cur_len; 166498f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh } 166598f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh 1666aa9fffbe2c4db4557248c5c626a85bf3c7867044Boaz Harroshanalyze: 1667aa9fffbe2c4db4557248c5c626a85bf3c7867044Boaz Harrosh if (!osi->key) { 1668aa9fffbe2c4db4557248c5c626a85bf3c7867044Boaz Harrosh /* scsi sense is Empty, the request was never issued to target 1669aa9fffbe2c4db4557248c5c626a85bf3c7867044Boaz Harrosh * linux return code might tell us what happened. 1670aa9fffbe2c4db4557248c5c626a85bf3c7867044Boaz Harrosh */ 1671aa9fffbe2c4db4557248c5c626a85bf3c7867044Boaz Harrosh if (or->async_error == -ENOMEM) 1672aa9fffbe2c4db4557248c5c626a85bf3c7867044Boaz Harrosh osi->osd_err_pri = OSD_ERR_PRI_RESOURCE; 1673aa9fffbe2c4db4557248c5c626a85bf3c7867044Boaz Harrosh else 1674aa9fffbe2c4db4557248c5c626a85bf3c7867044Boaz Harrosh osi->osd_err_pri = OSD_ERR_PRI_UNREACHABLE; 1675aa9fffbe2c4db4557248c5c626a85bf3c7867044Boaz Harrosh ret = or->async_error; 1676aa9fffbe2c4db4557248c5c626a85bf3c7867044Boaz Harrosh } else if (osi->key <= scsi_sk_recovered_error) { 1677aa9fffbe2c4db4557248c5c626a85bf3c7867044Boaz Harrosh osi->osd_err_pri = 0; 1678aa9fffbe2c4db4557248c5c626a85bf3c7867044Boaz Harrosh ret = 0; 1679aa9fffbe2c4db4557248c5c626a85bf3c7867044Boaz Harrosh } else if (osi->additional_code == scsi_invalid_field_in_cdb) { 1680aa9fffbe2c4db4557248c5c626a85bf3c7867044Boaz Harrosh if (osi->cdb_field_offset == OSD_CFO_STARTING_BYTE) { 1681aa9fffbe2c4db4557248c5c626a85bf3c7867044Boaz Harrosh osi->osd_err_pri = OSD_ERR_PRI_CLEAR_PAGES; 1682aa9fffbe2c4db4557248c5c626a85bf3c7867044Boaz Harrosh ret = -EFAULT; /* caller should recover from this */ 1683aa9fffbe2c4db4557248c5c626a85bf3c7867044Boaz Harrosh } else if (osi->cdb_field_offset == OSD_CFO_OBJECT_ID) { 1684aa9fffbe2c4db4557248c5c626a85bf3c7867044Boaz Harrosh osi->osd_err_pri = OSD_ERR_PRI_NOT_FOUND; 1685aa9fffbe2c4db4557248c5c626a85bf3c7867044Boaz Harrosh ret = -ENOENT; 1686aa9fffbe2c4db4557248c5c626a85bf3c7867044Boaz Harrosh } else if (osi->cdb_field_offset == OSD_CFO_PERMISSIONS) { 1687aa9fffbe2c4db4557248c5c626a85bf3c7867044Boaz Harrosh osi->osd_err_pri = OSD_ERR_PRI_NO_ACCESS; 1688aa9fffbe2c4db4557248c5c626a85bf3c7867044Boaz Harrosh ret = -EACCES; 1689aa9fffbe2c4db4557248c5c626a85bf3c7867044Boaz Harrosh } else { 1690aa9fffbe2c4db4557248c5c626a85bf3c7867044Boaz Harrosh osi->osd_err_pri = OSD_ERR_PRI_BAD_CRED; 1691aa9fffbe2c4db4557248c5c626a85bf3c7867044Boaz Harrosh ret = -EINVAL; 1692aa9fffbe2c4db4557248c5c626a85bf3c7867044Boaz Harrosh } 1693aa9fffbe2c4db4557248c5c626a85bf3c7867044Boaz Harrosh } else if (osi->additional_code == osd_quota_error) { 1694aa9fffbe2c4db4557248c5c626a85bf3c7867044Boaz Harrosh osi->osd_err_pri = OSD_ERR_PRI_NO_SPACE; 1695aa9fffbe2c4db4557248c5c626a85bf3c7867044Boaz Harrosh ret = -ENOSPC; 1696aa9fffbe2c4db4557248c5c626a85bf3c7867044Boaz Harrosh } else if (_is_osd_security_code(osi->additional_code)) { 1697aa9fffbe2c4db4557248c5c626a85bf3c7867044Boaz Harrosh osi->osd_err_pri = OSD_ERR_PRI_BAD_CRED; 1698aa9fffbe2c4db4557248c5c626a85bf3c7867044Boaz Harrosh ret = -EINVAL; 1699aa9fffbe2c4db4557248c5c626a85bf3c7867044Boaz Harrosh } else { 1700aa9fffbe2c4db4557248c5c626a85bf3c7867044Boaz Harrosh osi->osd_err_pri = OSD_ERR_PRI_EIO; 1701aa9fffbe2c4db4557248c5c626a85bf3c7867044Boaz Harrosh ret = -EIO; 1702aa9fffbe2c4db4557248c5c626a85bf3c7867044Boaz Harrosh } 1703aa9fffbe2c4db4557248c5c626a85bf3c7867044Boaz Harrosh 17045d0961fd1f25e117f907f3af3aaa870637049252Boaz Harrosh if (!or->out.residual) 17055d0961fd1f25e117f907f3af3aaa870637049252Boaz Harrosh or->out.residual = or->out.total_bytes; 17065d0961fd1f25e117f907f3af3aaa870637049252Boaz Harrosh if (!or->in.residual) 17075d0961fd1f25e117f907f3af3aaa870637049252Boaz Harrosh or->in.residual = or->in.total_bytes; 1708aa9fffbe2c4db4557248c5c626a85bf3c7867044Boaz Harrosh 1709aa9fffbe2c4db4557248c5c626a85bf3c7867044Boaz Harrosh return ret; 171098f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh} 171198f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz HarroshEXPORT_SYMBOL(osd_req_decode_sense_full); 171298f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh 171302941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh/* 171402941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * Implementation of osd_sec.h API 171502941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * TODO: Move to a separate osd_sec.c file at a later stage. 171602941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh */ 171702941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 171802941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harroshenum { OSD_SEC_CAP_V1_ALL_CAPS = 171902941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh OSD_SEC_CAP_APPEND | OSD_SEC_CAP_OBJ_MGMT | OSD_SEC_CAP_REMOVE | 172002941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh OSD_SEC_CAP_CREATE | OSD_SEC_CAP_SET_ATTR | OSD_SEC_CAP_GET_ATTR | 172102941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh OSD_SEC_CAP_WRITE | OSD_SEC_CAP_READ | OSD_SEC_CAP_POL_SEC | 172202941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh OSD_SEC_CAP_GLOBAL | OSD_SEC_CAP_DEV_MGMT 172302941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh}; 172402941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 1725c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harroshenum { OSD_SEC_CAP_V2_ALL_CAPS = 1726c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh OSD_SEC_CAP_V1_ALL_CAPS | OSD_SEC_CAP_QUERY | OSD_SEC_CAP_M_OBJECT 1727c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh}; 1728c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh 172902941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harroshvoid osd_sec_init_nosec_doall_caps(void *caps, 173002941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh const struct osd_obj_id *obj, bool is_collection, const bool is_v1) 173102941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh{ 173202941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh struct osd_capability *cap = caps; 173302941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh u8 type; 173402941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh u8 descriptor_type; 173502941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 173602941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh if (likely(obj->id)) { 173702941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh if (unlikely(is_collection)) { 173802941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh type = OSD_SEC_OBJ_COLLECTION; 173902941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh descriptor_type = is_v1 ? OSD_SEC_OBJ_DESC_OBJ : 174002941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh OSD_SEC_OBJ_DESC_COL; 174102941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh } else { 174202941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh type = OSD_SEC_OBJ_USER; 174302941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh descriptor_type = OSD_SEC_OBJ_DESC_OBJ; 174402941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh } 174502941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh WARN_ON(!obj->partition); 174602941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh } else { 174702941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh type = obj->partition ? OSD_SEC_OBJ_PARTITION : 174802941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh OSD_SEC_OBJ_ROOT; 174902941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh descriptor_type = OSD_SEC_OBJ_DESC_PAR; 175002941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh } 175102941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 175202941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh memset(cap, 0, sizeof(*cap)); 175302941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 175402941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh cap->h.format = OSD_SEC_CAP_FORMAT_VER1; 175502941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh cap->h.integrity_algorithm__key_version = 0; /* MAKE_BYTE(0, 0); */ 175602941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh cap->h.security_method = OSD_SEC_NOSEC; 175702941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh/* cap->expiration_time; 175802941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh cap->AUDIT[30-10]; 175902941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh cap->discriminator[42-30]; 176002941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh cap->object_created_time; */ 176102941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh cap->h.object_type = type; 176202941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh osd_sec_set_caps(&cap->h, OSD_SEC_CAP_V1_ALL_CAPS); 176302941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh cap->h.object_descriptor_type = descriptor_type; 176402941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh cap->od.obj_desc.policy_access_tag = 0; 176502941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh cap->od.obj_desc.allowed_partition_id = cpu_to_be64(obj->partition); 176602941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh cap->od.obj_desc.allowed_object_id = cpu_to_be64(obj->id); 176702941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh} 176802941a530ef736210b4cf8b24dd34c238d5d5a40Boaz HarroshEXPORT_SYMBOL(osd_sec_init_nosec_doall_caps); 176902941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 1770c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh/* FIXME: Extract version from caps pointer. 1771c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh * Also Pete's target only supports caps from OSDv1 for now 1772c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh */ 177302941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harroshvoid osd_set_caps(struct osd_cdb *cdb, const void *caps) 177402941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh{ 1775c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh bool is_ver1 = true; 1776c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh /* NOTE: They start at same address */ 1777c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh memcpy(&cdb->v1.caps, caps, is_ver1 ? OSDv1_CAP_LEN : OSD_CAP_LEN); 177802941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh} 17794ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 1780345c435dbb0b77b00ffe73801102533e24c647afBoaz Harroshbool osd_is_sec_alldata(struct osd_security_parameters *sec_parms __unused) 1781345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh{ 1782345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh return false; 1783345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh} 1784345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh 1785345c435dbb0b77b00ffe73801102533e24c647afBoaz Harroshvoid osd_sec_sign_cdb(struct osd_cdb *ocdb __unused, const u8 *cap_key __unused) 1786345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh{ 1787345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh} 1788345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh 1789345c435dbb0b77b00ffe73801102533e24c647afBoaz Harroshvoid osd_sec_sign_data(void *data_integ __unused, 1790345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh struct bio *bio __unused, const u8 *cap_key __unused) 1791345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh{ 1792345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh} 1793345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh 17944ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh/* 17954ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh * Declared in osd_protocol.h 17964ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh * 4.12.5 Data-In and Data-Out buffer offsets 17974ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh * byte offset = mantissa * (2^(exponent+8)) 17984ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh * Returns the smallest allowed encoded offset that contains given @offset 17994ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh * The actual encoded offset returned is @offset + *@padding. 18004ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh */ 18014ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harroshosd_cdb_offset __osd_encode_offset( 18024ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh u64 offset, unsigned *padding, int min_shift, int max_shift) 18034ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh{ 18044ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh u64 try_offset = -1, mod, align; 18054ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh osd_cdb_offset be32_offset; 18064ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh int shift; 18074ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 18084ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh *padding = 0; 18094ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh if (!offset) 18104ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh return 0; 18114ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 18124ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh for (shift = min_shift; shift < max_shift; ++shift) { 18134ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh try_offset = offset >> shift; 18144ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh if (try_offset < (1 << OSD_OFFSET_MAX_BITS)) 18154ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh break; 18164ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh } 18174ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 18184ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh BUG_ON(shift == max_shift); 18194ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 18204ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh align = 1 << shift; 18214ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh mod = offset & (align - 1); 18224ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh if (mod) { 18234ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh *padding = align - mod; 18244ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh try_offset += 1; 18254ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh } 18264ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 18274ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh try_offset |= ((shift - 8) & 0xf) << 28; 18284ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh be32_offset = cpu_to_be32((u32)try_offset); 18294ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 18304ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh OSD_DEBUG("offset=%llu mantissa=%llu exp=%d encoded=%x pad=%d\n", 18314ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh _LLU(offset), _LLU(try_offset & 0x0FFFFFFF), shift, 18324ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh be32_offset, *padding); 18334ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh return be32_offset; 18344ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh} 1835